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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.253 by root, Wed Apr 18 17:32:07 2007 UTC vs.
Revision 1.551 by root, Sun May 16 13:48:07 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
71		118
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	121	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
82		130
83	our %CFG;	131	our %CFG;
84		132
85	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
87		136
88	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
91		140
92	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
95	binmode STDOUT;	154	binmode STDOUT;
96	binmode STDERR;	155	binmode STDERR;
97		156
98	# read virtual server time, if available	157	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
103	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
104		165
105	mkdir $_	166	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
107		168
108	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
109		170
110	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
111		187
112	#############################################################################	188	#############################################################################
113		189
114	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
115		191
…		…
139		215
140	=item $cf::TICK	216	=item $cf::TICK
141		217
142	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
143		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
144	=item %cf::CFG	230	=item %cf::CFG
145		231
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	233	from wherever your confdir points to.
148		234
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		236
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
		257
155	=back	258	=back
156		259
157	=cut	260	=cut
158		261
159	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
160	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
161	my $msg = join "", @_;	269	my $msg = join "", @_;
162		270
163	$msg .= "\n"	271	$msg .= "\n"
164	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
165		273
166	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		275
168	utf8::encode $msg;
169	LOG llevError, $msg;	276	LOG llevWarn, $msg;
170	};	277	};
171	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
172		292
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	297	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		298	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	299	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		300
180	# we bless all objects into (empty) derived classes to force a method lookup	301	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	302	# within the Safe compartment.
182	for my $pkg (qw(	303	for my $pkg (qw(
183	cf::global cf::attachable	304	cf::global cf::attachable
184	cf::object cf::object::player	305	cf::object cf::object::player
185	cf::client cf::player	306	cf::client cf::player
186	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
187	cf::map cf::party cf::region	309	cf::party cf::region
188	)) {	310	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	312	}
192		313
193	$Event::DIED = sub {	314	$EV::DIED = sub {
194	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
195	};	316	};
		317
		318	#############################################################################
196		319
197	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
198		321
199	=over 4	322	=over 4
200		323
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	343	$d
221	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
222	}	345	}
223		346
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
227		348
228	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
229		350
230	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
231		352
232	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
233		354
		355	=cut
		356
		357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		358
		359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
		388	sub _post_init {
		389	trace "running post_init jobs";
		390
		391	# run them in parallel...
		392
		393	my @join;
		394
		395	while () {
		396	push @join, map &Coro::async ($_, 0), @POST_INIT;
		397	@POST_INIT = ();
		398
		399	@join or last;
		400
		401	(pop @join)->join;
		402	}
		403	}
		404
234	=item cf::lock_wait $string	405	=item cf::lock_wait $string
235		406
236	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
237		408
238	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
239		410
240	Wait until the given lock is available and then acquires it and returns	411	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	412	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
243	returned.	414	returned.
244		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
245	Lock names should begin with a unique identifier (for example, cf::map::find	419	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
247		421
248	=item $locked = cf::lock_active $string	422	=item $locked = cf::lock_active $string
249		423
250	Return true if the lock is currently active, i.e. somebody has locked it.	424	Return true if the lock is currently active, i.e. somebody has locked it.
251		425
252	=cut	426	=cut
253		427
254	our %LOCK;	428	our $LOCKS = new Coro::SemaphoreSet;
255		429
256	sub lock_wait($) {	430	sub lock_wait($) {
257	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
258
259	# wait for lock, if any
260	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;
263	}
264	}	432	}
265		433
266	sub lock_acquire($) {	434	sub lock_acquire($) {
267	my ($key) = @_;	435	$LOCKS->guard ($_[0])
268
269	# wait, to be sure we are not locked
270	lock_wait $key;
271
272	$LOCK{$key} = [];
273
274	Coro::guard {
275	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };
277	}
278	}	436	}
279		437
280	sub lock_active($) {	438	sub lock_active($) {
281	my ($key) = @_;	439	$LOCKS->count ($_[0]) < 1
282
283	! ! $LOCK{$key}
284	}	440	}
285		441
286	sub freeze_mainloop {	442	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
288		444
289	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
290	$TICK_WATCHER->start;	446	}
		447
		448	=item cf::periodic $interval, $cb
		449
		450	Like EV::periodic, but randomly selects a starting point so that the actions
		451	get spread over time.
		452
		453	=cut
		454
		455	sub periodic($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
291	};	512	}
292	$TICK_WATCHER->stop;	513	};
293	$guard	514
		515	sub get_slot($;$$) {
		516	return if tick_inhibit || $Coro::current == $Coro::main;
		517
		518	my ($time, $pri, $name) = @_;
		519
		520	$time = clamp $time, 0.01, $TICK * .6;
		521
		522	my $sig = new Coro::Signal;
		523
		524	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		525	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		526	$SLOT_QUEUE->ready;
		527	$sig->wait;
294	}	528	}
295		529
296	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
297		531
298	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		537
304	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
305		539
306	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
307		541
308	The design of crossfire+ requires that the main coro ($Coro::main) is	542	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	543	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		545	acceptable.
311		546
312	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	549	server will be frozen during this time, so the block should either finish
315	fast or be very important.	550	fast or be very important.
…		…
317	=cut	552	=cut
318		553
319	sub sync_job(&) {	554	sub sync_job(&) {
320	my ($job) = @_;	555	my ($job) = @_;
321		556
322	if ($Coro::current == $Coro::main) {	557	if (in_main) {
		558	my $time = AE::time;
		559
323	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
325		562
326	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	564
328	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
329		566
330	my $busy = 1;	567	my $busy = 1;
331	my @res;	568	my @res;
332		569
333	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	572	@res = eval { $job->() };
335	warn $@ if $@;	573	error $@ if $@;
336	undef $busy;	574	undef $busy;
337	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
338		576
339	while ($busy) {	577	while ($busy) {
340	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
341	}	582	}
		583	}
		584
		585	my $time = AE::time - $time;
		586
		587	$TICK_START += $time; # do not account sync jobs to server load
342		588
343	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
344	} else {	590	} else {
345	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
346		592
…		…
366	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
367		613
368	$coro	614	$coro
369	}	615	}
370		616
371	sub write_runtime {	617	=item fork_call { }, @args
372	my $guard = cf::lock_acquire "write_runtime";
373		618
374	my $runtime = "$LOCALDIR/runtime";	619	Executes the given code block with the given arguments in a seperate
		620	process, returning the results. Everything must be serialisable with
		621	Coro::Storable. May, of course, block. Note that the executed sub may
		622	never block itself or use any form of event handling.
375		623
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	624	=cut
377	or return;
378		625
379	my $value = $cf::RUNTIME + 90 + 10;	626	sub post_fork {
380	# 10 is the runtime save interval, for a monotonic clock	627	reset_signals;
381	# 60 allows for the watchdog to kill the server.	628	}
382		629
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	630	sub fork_call(&@) {
384	and return;	631	my ($cb, @args) = @_;
385		632
386	# always fsync - this file is important	633	# we seemingly have to make a local copy of the whole thing,
387	aio_fsync $fh	634	# otherwise perl prematurely frees the stuff :/
388	and return;	635	# TODO: investigate and fix (likely this will be rather laborious)
389		636
390	close $fh	637	my @res = Coro::Util::fork_eval {
391	or return;	638	cf::post_fork;
		639	&$cb
		640	} @args;
392		641
393	aio_rename "$runtime~", $runtime	642	wantarray ? @res : $res[-1]
394	and return;	643	}
395		644
		645	sub objinfo {
396	1	646	(
		647	"counter value" => cf::object::object_count,
		648	"objects created" => cf::object::create_count,
		649	"objects destroyed" => cf::object::destroy_count,
		650	"freelist size" => cf::object::free_count,
		651	"allocated objects" => cf::object::objects_size,
		652	"active objects" => cf::object::actives_size,
		653	)
		654	}
		655
		656	=item $coin = coin_from_name $name
		657
		658	=cut
		659
		660	our %coin_alias = (
		661	"silver" => "silvercoin",
		662	"silvercoin" => "silvercoin",
		663	"silvercoins" => "silvercoin",
		664	"gold" => "goldcoin",
		665	"goldcoin" => "goldcoin",
		666	"goldcoins" => "goldcoin",
		667	"platinum" => "platinacoin",
		668	"platinumcoin" => "platinacoin",
		669	"platinumcoins" => "platinacoin",
		670	"platina" => "platinacoin",
		671	"platinacoin" => "platinacoin",
		672	"platinacoins" => "platinacoin",
		673	"royalty" => "royalty",
		674	"royalties" => "royalty",
		675	);
		676
		677	sub coin_from_name($) {
		678	$coin_alias{$_[0]}
		679	? cf::arch::find $coin_alias{$_[0]}
		680	: undef
		681	}
		682
		683	=item $value = cf::db_get $family => $key
		684
		685	Returns a single value from the environment database.
		686
		687	=item cf::db_put $family => $key => $value
		688
		689	Stores the given C<$value> in the family. It can currently store binary
		690	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		691
		692	=item $db = cf::db_table "name"
		693
		694	Create and/or open a new database table. The string must not be "db" and must be unique
		695	within each server.
		696
		697	=cut
		698
		699	sub db_table($) {
		700	cf::error "db_get called from main context"
		701	if $Coro::current == $Coro::main;
		702
		703	my ($name) = @_;
		704	my $db = BDB::db_create $DB_ENV;
		705
		706	eval {
		707	$db->set_flags (BDB::CHKSUM);
		708
		709	utf8::encode $name;
		710	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		711	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		712	cf::cleanup "db_open(db): $!" if $!;
		713	};
		714	cf::cleanup "db_open(db): $@" if $@;
		715
		716	$db
		717	}
		718
		719	our $DB;
		720
		721	sub db_init {
		722	$DB ||= db_table "db";
		723	}
		724
		725	sub db_get($$) {
		726	my $key = "$_[0]/$_[1]";
		727
		728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
		731	BDB::db_get $DB, undef, $key, my $data;
		732
		733	$! ? ()
		734	: $data
		735	}
		736
		737	sub db_put($$$) {
		738	BDB::dbreq_pri 4;
		739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		740	}
		741
		742	=item cf::cache $id => [$paths...], $processversion => $process
		743
		744	Generic caching function that returns the value of the resource $id,
		745	caching and regenerating as required.
		746
		747	This function can block.
		748
		749	=cut
		750
		751	sub cache {
		752	my ($id, $src, $processversion, $process) = @_;
		753
		754	my $meta =
		755	join "\x00",
		756	$processversion,
		757	map {
		758	aio_stat $_
		759	and Carp::croak "$_: $!";
		760
		761	($_, (stat _)[7,9])
		762	} @$src;
		763
		764	my $dbmeta = db_get cache => "$id/meta";
		765	if ($dbmeta ne $meta) {
		766	# changed, we may need to process
		767
		768	my @data;
		769	my $md5;
		770
		771	for (0 .. $#$src) {
		772	0 <= aio_load $src->[$_], $data[$_]
		773	or Carp::croak "$src->[$_]: $!";
		774	}
		775
		776	# if processing is expensive, check
		777	# checksum first
		778	if (1) {
		779	$md5 =
		780	join "\x00",
		781	$processversion,
		782	map {
		783	cf::cede_to_tick;
		784	($src->[$_], Digest::MD5::md5_hex $data[$_])
		785	} 0.. $#$src;
		786
		787
		788	my $dbmd5 = db_get cache => "$id/md5";
		789	if ($dbmd5 eq $md5) {
		790	db_put cache => "$id/meta", $meta;
		791
		792	return db_get cache => "$id/data";
		793	}
		794	}
		795
		796	my $t1 = Time::HiRes::time;
		797	my $data = $process->(\@data);
		798	my $t2 = Time::HiRes::time;
		799
		800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		801
		802	db_put cache => "$id/data", $data;
		803	db_put cache => "$id/md5" , $md5;
		804	db_put cache => "$id/meta", $meta;
		805
		806	return $data;
		807	}
		808
		809	db_get cache => "$id/data"
397	}	810	}
398		811
399	=item cf::datalog type => key => value, ...	812	=item cf::datalog type => key => value, ...
400		813
401	Log a datalog packet of the given type with the given key-value pairs.	814	Log a datalog packet of the given type with the given key-value pairs.
402		815
403	=cut	816	=cut
404		817
405	sub datalog($@) {	818	sub datalog($@) {
406	my ($type, %kv) = @_;	819	my ($type, %kv) = @_;
407	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
408	}	821	}
409		822
410	=back	823	=back
411		824
412	=cut	825	=cut
413		826
414	#############################################################################	827	#############################################################################
415		828
416	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
417		830
418	Many objects in crossfire are so-called attachable objects. That means you can	831	Many objects in deliantra are so-called attachable objects. That means you can
419	attach callbacks/event handlers (a collection of which is called an "attachment")	832	attach callbacks/event handlers (a collection of which is called an "attachment")
420	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
421		834
422	In the following description, CLASS can be any of C<global>, C<object>	835	In the following description, CLASS can be any of C<global>, C<object>
423	C<player>, C<client> or C<map> (i.e. the attachable objects in	836	C<player>, C<client> or C<map> (i.e. the attachable objects in
424	crossfire+).	837	Deliantra).
425		838
426	=over 4	839	=over 4
427		840
428	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
429		842
…		…
473	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
474		887
475	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
476	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
477		890
478	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
479	that are attached at load/instantiate time, thus the need for a name.	892	that are attached at load/instantiate time, thus the need for a name.
480		893
481	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
482		895
483	=over 4	896	=over 4
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	1005	$registry = $CB_TYPE[$object_type] ||= [];
593		1006
594	} elsif ($type eq "subtype") {	1007	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	1008	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	1009	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1010	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		1011
599	} elsif ($type eq "package") {	1012	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	1013	my $pkg = shift @arg;
601		1014
602	while (my ($name, $id) = each %cb_id) {	1015	while (my ($name, $id) = each %cb_id) {
…		…
607		1020
608	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
609	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
610		1023
611	} elsif (ref $type) {	1024	} elsif (ref $type) {
612	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
613		1026
614	} else {	1027	} else {
615	shift @arg;	1028	shift @arg;
616	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
617	}	1030	}
618	}	1031	}
619	}	1032	}
620		1033
621	sub _object_attach {	1034	sub _object_attach {
…		…
631	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
632	}	1045	}
633		1046
634	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
635	} else {	1048	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
637	}	1050	}
638		1051
639	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
640	}	1053	}
641		1054
…		…
643	if (ref $_[0]) {	1056	if (ref $_[0]) {
644	_object_attach @_;	1057	_object_attach @_;
645	} else {	1058	} else {
646	_attach shift->_attach_registry, @_;	1059	_attach shift->_attach_registry, @_;
647	}	1060	}
		1061	_recalc_want;
648	};	1062	};
649		1063
650	# all those should be optimised	1064	# all those should be optimised
651	sub cf::attachable::detach {	1065	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	1066	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	1069	delete $obj->{_attachment}{$name};
656	reattach ($obj);	1070	reattach ($obj);
657	} else {	1071	} else {
658	Carp::croak "cannot, currently, detach class attachments";	1072	Carp::croak "cannot, currently, detach class attachments";
659	}	1073	}
		1074	_recalc_want;
660	};	1075	};
661		1076
662	sub cf::attachable::attached {	1077	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	1078	my ($obj, $name) = @_;
664		1079
…		…
679	";	1094	";
680	die if $@;	1095	die if $@;
681	}	1096	}
682		1097
683	our $override;	1098	our $override;
684	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1099	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685		1100
686	sub override {	1101	sub override {
687	$override = 1;	1102	$override = 1;
688	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
689	}	1104	}
690		1105
691	sub do_invoke {	1106	sub do_invoke {
692	my $event = shift;	1107	my $event = shift;
693	my $callbacks = shift;	1108	my $callbacks = shift;
694		1109
695	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
696		1111
697	local $override;	1112	local $override;
698		1113
699	for (@$callbacks) {	1114	for (@$callbacks) {
700	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
701		1116
702	if ($@) {	1117	if ($@) {
703	warn "$@";
704	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
705	override;	1119	override;
706	}	1120	}
707		1121
708	return 1 if $override;	1122	return 1 if $override;
709	}	1123	}
710		1124
711	0	1125	0
712	}	1126	}
713		1127
714	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715		1129
716	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717		1131
718	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
719		1133
720	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1134	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
721	removed in future versions), and there is no public API to access override	1135	removed in future versions), and there is no public API to access override
722	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		1137
724	=back	1138	=back
725		1139
726	=cut	1140	=cut
727		1141
728	#############################################################################	1142	#############################################################################
729	# object support	1143	# object support
		1144
		1145	sub _object_equal($$);
		1146	sub _object_equal($$) {
		1147	my ($a, $b) = @_;
		1148
		1149	return 0 unless (ref $a) eq (ref $b);
		1150
		1151	if ("HASH" eq ref $a) {
		1152	my @ka = keys %$a;
		1153	my @kb = keys %$b;
		1154
		1155	return 0 if @ka != @kb;
		1156
		1157	for (0 .. $#ka) {
		1158	return 0 unless $ka[$_] eq $kb[$_];
		1159	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1160	}
		1161
		1162	} elsif ("ARRAY" eq ref $a) {
		1163
		1164	return 0 if @$a != @$b;
		1165
		1166	for (0 .. $#$a) {
		1167	return 0 unless _object_equal $a->[$_], $b->[$_];
		1168	}
		1169
		1170	} elsif ($a ne $b) {
		1171	return 0;
		1172	}
		1173
		1174	1
		1175	}
		1176
		1177	our $SLOW_MERGES;#d#
		1178	sub _can_merge {
		1179	my ($ob1, $ob2) = @_;
		1180
		1181	++$SLOW_MERGES;#d#
		1182
		1183	# we do the slow way here
		1184	return _object_equal $ob1, $ob2
		1185	}
730		1186
731	sub reattach {	1187	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1189	my ($obj) = @_;
734		1190
		1191	# no longer needed after getting rid of delete_package?
735	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1192	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
736		1193
737	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
738		1195
739	@$registry = ();	1196	@$registry = ();
740		1197
…		…
745	for (@$attach) {	1202	for (@$attach) {
746	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
747	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
748	}	1205	}
749	} else {	1206	} else {
750	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
751	}	1208	}
752	}	1209	}
753	}	1210	}
754		1211
755	cf::attachable->attach (	1212	cf::attachable->attach (
756	prio => -1000000,	1213	prio => -1000000,
757	on_instantiate => sub {	1214	on_instantiate => sub {
758	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
759		1216
760	$data = from_json $data;	1217	$data = decode_json $data;
761		1218
762	for (@$data) {	1219	for (@$data) {
763	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
764		1221
765	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
781	sub object_freezer_save {	1238	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
783		1240
784	sync_job {	1241	sync_job {
785	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
788		1247
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1251	if ($cf::USE_FSYNC) {
		1252	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1253	aio_fsync $fh;
		1254	}
793	close $fh;	1255	aio_close $fh;
794		1256
795	if (@$objs) {	1257	if (@$objs) {
796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1258	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	1262	if ($cf::USE_FSYNC) {
		1263	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1264	aio_fsync $fh;
		1265	}
801	close $fh;	1266	aio_close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
803	}	1268	}
804	} else {	1269	} else {
805	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
806	}	1271	}
807		1272
808	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
809	} else {	1277	} else {
810	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
811	}	1279	}
812	} else {	1280	} else {
813	aio_unlink $filename;	1281	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
815	}	1283	}
816	}	1284	};
817	}	1285	}
818		1286
819	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
821		1289
…		…
833	or return;	1301	or return;
834		1302
835	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
837	or return;	1305	or return;
		1306
838	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
839	}	1309	}
840		1310
		1311	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
843	return ($data, $av);	1316	($data, $av)
844	}	1317	}
		1318
		1319	=head2 COMMAND CALLBACKS
		1320
		1321	=over 4
		1322
		1323	=cut
845		1324
846	#############################################################################	1325	#############################################################################
847	# command handling &c	1326	# command handling &c
848		1327
849	=item cf::register_command $name => \&callback($ob,$args);	1328	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1342	}
864		1343
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1345
867	Register a callbackf ro execution when the client sends an extcmd packet.	1346	Register a callback for execution when the client sends an (synchronous)
		1347	extcmd packet. Ext commands will be processed in the order they are
		1348	received by the server, like other user commands. The first argument is
		1349	the logged-in player. Ext commands can only be processed after a player
		1350	has logged in successfully.
868		1351
869	If the callback returns something, it is sent back as if reply was being	1352	If the callback returns something, it is sent back as if reply was being
870	called.	1353	called.
871		1354
		1355	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1356
		1357	Register a callback for execution when the client sends an (asynchronous)
		1358	exticmd packet. Exti commands are processed by the server as soon as they
		1359	are received, i.e. out of order w.r.t. other commands. The first argument
		1360	is a client socket. Exti commands can be received anytime, even before
		1361	log-in.
		1362
		1363	If the callback returns something, it is sent back as if reply was being
		1364	called.
		1365
872	=cut	1366	=cut
873		1367
874	sub register_extcmd {	1368	sub register_extcmd {
875	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
876		1370
877	$EXTCMD{$name} = $cb;	1371	$EXTCMD{$name} = $cb;
878	}	1372	}
879		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
		1381
880	cf::player->attach (	1382	cf::player->attach (
881	on_command => sub {	1383	on_unknown_command => sub {
882	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
883		1385
884	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
885	or return;	1387	or return;
886		1388
…		…
891	cf::override;	1393	cf::override;
892	},	1394	},
893	on_extcmd => sub {	1395	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
895		1397
896	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1399
898	if (ref $msg) {	1400	if (ref $msg) {
		1401	my ($type, $reply, @payload) =
		1402	"ARRAY" eq ref $msg
		1403	? @$msg
		1404	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1405
		1406	my @reply;
		1407
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
904	} else {	1415	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1417	}
907		1418
908	cf::override;	1419	cf::override;
909	},	1420	},
910	);	1421	);
911		1422
		1423	# "readahead" all extensions
912	sub load_extension {	1424	sub cache_extensions {
913	my ($path) = @_;	1425	my $grp = IO::AIO::aio_group;
914		1426
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
916	my $base = $1;	1428	for (grep /\.ext$/, @{$_[0]}) {
917	my $pkg = $1;	1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}	1430	}
940	die $@;
941	}	1431	};
942		1432
943	push @EXTS, $pkg;	1433	$grp
944	}	1434	}
945		1435
946	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
		1439	cf::sync_job {
		1440	my %todo;
		1441
947	for my $ext (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1443	next unless -r $path;
949	eval {	1444
950	load_extension $ext;	1445	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1446	my $base = $1;
		1447	my $pkg = $1;
		1448	$pkg =~ s/[^[:word:]]/_/g;
		1449	$pkg = "ext::$pkg";
		1450
		1451	open my $fh, "<:utf8", $path
		1452	or die "$path: $!";
		1453
		1454	my $source = do { local $/; <$fh> };
		1455
		1456	my %ext = (
		1457	path => $path,
		1458	base => $base,
		1459	pkg => $pkg,
		1460	);
		1461
		1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1464
		1465	$ext{source} =
		1466	"package $pkg; use common::sense;\n"
		1467	. "#line 1 \"$path\"\n{\n"
		1468	. $source
		1469	. "\n};\n1";
		1470
		1471	$todo{$base} = \%ext;
		1472	}
		1473
		1474	my $pass = 0;
		1475	my %done;
		1476	while (%todo) {
		1477	my $progress;
		1478
		1479	++$pass;
		1480
		1481	ext:
		1482	while (my ($k, $v) = each %todo) {
		1483	for (split /,\s*/, $v->{meta}{depends}) {
		1484	next ext
		1485	unless exists $done{$_};
		1486	}
		1487
		1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1489
		1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
		1493	error "$v->{path}: $@\n";
		1494
		1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1496	if exists $v->{meta}{mandatory};
		1497
		1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1499	delete $todo{$k};
		1500	} else {
		1501	$done{$k} = delete $todo{$k};
		1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
		1507	}
951	1	1508	}
952	} or warn "$ext not loaded: $@";	1509
		1510	unless ($progress) {
		1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1512
		1513	while (my ($k, $v) = each %todo) {
		1514	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1515	if exists $v->{meta}{mandatory};
		1516	}
		1517	}
		1518	}
953	}	1519	};
954	}	1520	}
955		1521
956	#############################################################################	1522	#############################################################################
957		1523
		1524	=back
		1525
958	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
959		1527
960	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
961		1529
962	=cut	1530	=cut
963		1531
964	package cf::player;	1532	package cf::player;
965		1533
966	use Coro::AIO;	1534	use Coro::AIO;
967		1535
968	=head3 cf::player	1536	=head3 cf::player
969		1537
970	=over 4	1538	=over 4
		1539
		1540	=item cf::player::num_playing
		1541
		1542	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1543
		1544	=cut
		1545
		1546	sub num_playing {
		1547	scalar grep
		1548	$_->ob->map
		1549	&& !$_->hidden
		1550	&& !$_->ob->flag (cf::FLAG_WIZ),
		1551	cf::player::list
		1552	}
971		1553
972	=item cf::player::find $login	1554	=item cf::player::find $login
973		1555
974	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
975		1557
…		…
994		1576
995	sub exists($) {	1577	sub exists($) {
996	my ($login) = @_;	1578	my ($login) = @_;
997		1579
998	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
999	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
1000	}	1582	}
1001		1583
1002	sub find($) {	1584	sub find($) {
1003	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
1004	my $login = $_[0];	1586	my $login = $_[0];
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1596	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1597
1016	my $pl = load_pl path $login	1598	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1599	or return;
		1600
		1601	my $pl = cf::player::load_pl $f
		1602	or return;
		1603
		1604	local $cf::PLAYER_LOADING{$login} = $pl;
		1605	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1019	}	1607	}
1020	}	1608	}
1021	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($pl, $path) = @_;
		1614
		1615	# restore slots saved in save, below
		1616	my $slots = delete $pl->{_slots};
		1617
		1618	$pl->ob->current_weapon ($slots->[0]);
		1619	$pl->combat_ob ($slots->[1]);
		1620	$pl->ranged_ob ($slots->[2]);
		1621	},
		1622	);
1022		1623
1023	sub save($) {	1624	sub save($) {
1024	my ($pl) = @_;	1625	my ($pl) = @_;
1025		1626
1026	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1031	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1032		1633
1033	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1035		1636
		1637	cf::get_slot 0.01;
		1638
		1639	# save slots, to be restored later
		1640	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1641
1036	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1037	Coro::cede;	1643	cf::cede_to_tick;
1038	}	1644	}
1039		1645
1040	sub new($) {	1646	sub new($) {
1041	my ($login) = @_;	1647	my ($login) = @_;
1042		1648
…		…
1048	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1049		1655
1050	$self	1656	$self
1051	}	1657	}
1052		1658
		1659	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1660
		1661	=cut
		1662
		1663	sub send_msg {
		1664	my $ns = shift->ns
		1665	or return;
		1666	$ns->send_msg (@_);
		1667	}
		1668
1053	=item $pl->quit_character	1669	=item $pl->quit_character
1054		1670
1055	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1056	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1057		1673
…		…
1061	my ($pl) = @_;	1677	my ($pl) = @_;
1062		1678
1063	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1064		1680
1065	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1066	$pl->password ("*"); # this should lock out the player until we nuked the dir	1682	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1067		1683
1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1069	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1070	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1071	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1072		1692
1073	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1074	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1075	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1110	or return [];	1730	or return [];
1111		1731
1112	my @logins;	1732	my @logins;
1113		1733
1114	for my $login (@$dirs) {	1734	for my $login (@$dirs) {
		1735	my $path = path $login;
		1736
		1737	# a .pst is a dead give-away for a valid player
		1738	# if no pst file found, open and chekc for blocked users
		1739	if (aio_stat "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1118		1744
1119	utf8::decode $login;	1745	utf8::decode $login;
1120	push @logins, $login;	1746	push @logins, $login;
1121	}	1747	}
1122		1748
1123	\@logins	1749	\@logins
1124	}	1750	}
1125		1751
1126	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1127		1755
1128	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1129	player. May block.	1757	player. May block.
1130		1758
1131	=cut	1759	=cut
…		…
1149	}	1777	}
1150		1778
1151	\@paths	1779	\@paths
1152	}	1780	}
1153		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
1154	=item $player->ext_reply ($msgid, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1155		1787
1156	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1157		1789
1158	=cut	1790	=cut
1159		1791
1160	sub ext_reply($$%) {	1792	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1162		1794
1163	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1796	}
1167		1797
1168	=item $player->ext_event ($type, %msg)	1798	=item $player->ext_msg ($type, @msg)
1169		1799
1170	Sends an ext event to the client.	1800	Sends an ext event to the client.
1171		1801
1172	=cut	1802	=cut
1173		1803
1174	sub ext_event($$%) {	1804	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1805	my ($self, $type, @msg) = @_;
1176		1806
1177	$self->ns->ext_event ($type, %msg);	1807	$self->ns->ext_msg ($type, @msg);
1178	}	1808	}
1179		1809
1180	=head3 cf::region	1810	=head3 cf::region
1181		1811
1182	=over 4	1812	=over 4
…		…
1185		1815
1186	package cf::region;	1816	package cf::region;
1187		1817
1188	=item cf::region::find_by_path $path	1818	=item cf::region::find_by_path $path
1189		1819
1190	Tries to decuce the probable region for a map knowing only its path.	1820	Tries to decuce the likely region for a map knowing only its path.
1191		1821
1192	=cut	1822	=cut
1193		1823
1194	sub find_by_path($) {	1824	sub find_by_path($) {
1195	my ($path) = @_;	1825	my ($path) = @_;
1196		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
		1828
1197	my ($match, $specificity);	1829	my ($match, $specificity);
1198		1830
1199	for my $region (list) {	1831	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1832	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1833	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1834	if $region->specificity > $specificity;
1203	}	1835	}
1204	}	1836	}
1205		1837
…		…
1226	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1227	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1228		1860
1229	sub generate_random_map {	1861	sub generate_random_map {
1230	my ($self, $rmp) = @_;	1862	my ($self, $rmp) = @_;
		1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1231	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1232	$self->_create_random_map (	1867	$self->_create_random_map (
1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1869	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1870	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1236	$rmp->{exit_on_final_map},	1871	$rmp->{exit_on_final_map},
1237	$rmp->{xsize}, $rmp->{ysize},	1872	$rmp->{xsize}, $rmp->{ysize},
1238	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1873	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1239	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1874	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1254		1889
1255	sub register {	1890	sub register {
1256	my (undef, $regex, $prio) = @_;	1891	my (undef, $regex, $prio) = @_;
1257	my $pkg = caller;	1892	my $pkg = caller;
1258		1893
1259	no strict;
1260	push @{"$pkg\::ISA"}, __PACKAGE__;	1894	push @{"$pkg\::ISA"}, __PACKAGE__;
1261		1895
1262	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1896	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1263	}	1897	}
1264		1898
1265	# also paths starting with '/'	1899	# also paths starting with '/'
1266	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1900	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1267		1901
1268	sub thawer_merge {	1902	sub thawer_merge {
1269	my ($self, $merge) = @_;	1903	my ($self, $merge) = @_;
1270		1904
1271	# we have to keep some variables in memory intact	1905	# we have to keep some variables in memory intact
1272	local $self->{path};	1906	local $self->{path};
1273	local $self->{load_path};	1907	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1908
1277	$self->SUPER::thawer_merge ($merge);	1909	$self->SUPER::thawer_merge ($merge);
1278	}	1910	}
1279		1911
1280	sub normalise {	1912	sub normalise {
1281	my ($path, $base) = @_;	1913	my ($path, $base) = @_;
1282		1914
1283	$path = "$path"; # make sure its a string	1915	$path = "$path"; # make sure it's a string
1284		1916
1285	$path =~ s/\.map$//;	1917	$path =~ s/\.map$//;
1286		1918
1287	# map plan:	1919	# map plan:
1288	#	1920	#
…		…
1303	$base =~ s{[^/]+/?$}{};	1935	$base =~ s{[^/]+/?$}{};
1304	$path = "$base/$path";	1936	$path = "$base/$path";
1305	}	1937	}
1306		1938
1307	for ($path) {	1939	for ($path) {
1308	redo if s{//}{/};
1309	redo if s{/\.?/}{/};	1940	redo if s{/\.?/}{/};
1310	redo if s{/[^/]+/\.\./}{/};	1941	redo if s{/[^/]+/\.\./}{/};
1311	}	1942	}
1312		1943
1313	$path	1944	$path
…		…
1327	$self->init; # pass $1 etc.	1958	$self->init; # pass $1 etc.
1328	return $self;	1959	return $self;
1329	}	1960	}
1330	}	1961	}
1331		1962
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1963	Carp::cluck "unable to resolve path '$path' (base '$base')";
1333	()	1964	()
1334	}	1965	}
1335		1966
1336	sub init {	1967	sub init {
1337	my ($self) = @_;	1968	my ($self) = @_;
…		…
1352		1983
1353	# the original (read-only) location	1984	# the original (read-only) location
1354	sub load_path {	1985	sub load_path {
1355	my ($self) = @_;	1986	my ($self) = @_;
1356		1987
1357	"$MAPDIR($self->{path}"	1988	"$MAPDIR/$self->{path}.map"
1358	}	1989	}
1359		1990
1360	# the temporary/swap location	1991	# the temporary/swap location
1361	sub save_path {	1992	sub save_path {
1362	my ($self) = @_;	1993	my ($self) = @_;
1363		1994
1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1995	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365	"$TMPDIR/$path"	1996	"$TMPDIR/$path.map"
1366	}	1997	}
1367		1998
1368	# the unique path, undef == no special unique path	1999	# the unique path, undef == no special unique path
1369	sub uniq_path {	2000	sub uniq_path {
1370	my ($self) = @_;	2001	my ($self) = @_;
1371		2002
1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2003	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373	"$UNIQUEDIR/$path"	2004	"$UNIQUEDIR/$path"
1374	}	2005	}
1375		2006
1376	# and all this just because we cannot iterate over	2007	sub decay_objects {
1377	# all maps in C++...
1378	sub change_all_map_light {
1379	my ($change) = @_;	2008	my ($self) = @_;
1380		2009
1381	$_->change_map_light ($change)	2010	return if $self->{deny_reset};
1382	for grep $_->outdoor, values %cf::MAP;	2011
		2012	$self->do_decay_objects;
1383	}	2013	}
1384		2014
1385	sub unlink_save {	2015	sub unlink_save {
1386	my ($self) = @_;	2016	my ($self) = @_;
1387		2017
…		…
1392		2022
1393	sub load_header_from($) {	2023	sub load_header_from($) {
1394	my ($self, $path) = @_;	2024	my ($self, $path) = @_;
1395		2025
1396	utf8::encode $path;	2026	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	2027	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	2028	or return;
		2029
		2030	$self->_load_header ($f)
		2031	or return;
		2032
		2033	local $MAP_LOADING{$self->{path}} = $self;
		2034	$f->resolve_delayed_derefs;
1402		2035
1403	$self->{load_path} = $path;	2036	$self->{load_path} = $path;
1404		2037
1405	1	2038	1
1406	}	2039	}
…		…
1445	$self->load_header_orig	2078	$self->load_header_orig
1446	or return;	2079	or return;
1447	$self->prepare_orig;	2080	$self->prepare_orig;
1448	}	2081	}
1449		2082
		2083	$self->{deny_reset} = 1
		2084	if $self->no_reset;
		2085
1450	$self->default_region (cf::region::find_by_path $self->{path})	2086	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	2087	unless $self->default_region;
1452		2088
1453	1	2089	1
1454	}	2090	}
1455		2091
1456	sub find;	2092	sub find;
1457	sub find {	2093	sub find {
1458	my ($path, $origin) = @_;	2094	my ($path, $origin) = @_;
1459		2095
		2096	cf::cede_to_tick;
		2097
1460	$path = normalise $path, $origin && $origin->path;	2098	$path = normalise $path, $origin && $origin->path;
1461		2099
		2100	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	2101	my $guard2 = cf::lock_acquire "map_find:$path";
1463		2102
1464	$cf::MAP{$path} || do {	2103	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";
1466	my $map = new_from_path cf::map $path	2104	my $map = new_from_path cf::map $path
1467	or return;	2105	or return;
1468		2106
1469	$map->{last_save} = $cf::RUNTIME;	2107	$map->{last_save} = $cf::RUNTIME;
1470		2108
1471	$map->load_header	2109	$map->load_header
1472	or return;	2110	or return;
1473		2111
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2112	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	2113	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	2114	#$cf::WAIT_FOR_TICK->wait;
		2115	undef $guard2;
		2116	undef $guard1;
1477	$map->reset;	2117	$map->reset;
1478	undef $guard;
1479	return find $path;	2118	return find $path;
1480	}	2119	}
1481		2120
1482	$cf::MAP{$path} = $map	2121	$cf::MAP{$path} = $map
1483	}	2122	}
1484	}	2123	}
1485		2124
1486	sub pre_load { }	2125	sub pre_load { }
1487	sub post_load { }	2126	#sub post_load { } # XS
1488		2127
1489	sub load {	2128	sub load {
1490	my ($self) = @_;	2129	my ($self) = @_;
1491		2130
1492	local $self->{deny_reset} = 1; # loading can take a long time	2131	local $self->{deny_reset} = 1; # loading can take a long time
1493		2132
1494	my $path = $self->{path};	2133	my $path = $self->{path};
		2134
		2135	{
1495	my $guard = cf::lock_acquire "map_load:$path";	2136	my $guard = cf::lock_acquire "map_data:$path";
1496		2137
		2138	return unless $self->valid;
1497	return if $self->in_memory != cf::MAP_SWAPPED;	2139	return unless $self->in_memory == cf::MAP_SWAPPED;
1498		2140
1499	$self->in_memory (cf::MAP_LOADING);	2141	$self->in_memory (cf::MAP_LOADING);
1500		2142
1501	$self->alloc;	2143	$self->alloc;
1502		2144
1503	$self->pre_load;	2145	$self->pre_load;
1504	Coro::cede;	2146	cf::cede_to_tick;
1505		2147
1506	$self->_load_objects ($self->{load_path}, 1)	2148	my $f = new_from_file cf::object::thawer $self->{load_path};
		2149	$f->skip_block;
		2150	$self->_load_objects ($f)
1507	or return;	2151	or return;
1508		2152
1509	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2153	$self->post_load_original
1510	if delete $self->{load_original};	2154	if delete $self->{load_original};
1511		2155
1512	if (my $uniq = $self->uniq_path) {	2156	if (my $uniq = $self->uniq_path) {
1513	utf8::encode $uniq;	2157	utf8::encode $uniq;
1514	if (aio_open $uniq, O_RDONLY, 0) {	2158	unless (aio_stat $uniq) {
		2159	if (my $f = new_from_file cf::object::thawer $uniq) {
1515	$self->clear_unique_items;	2160	$self->clear_unique_items;
1516	$self->_load_objects ($uniq, 0);	2161	$self->_load_objects ($f);
		2162	$f->resolve_delayed_derefs;
		2163	}
1517	}	2164	}
1518	}	2165	}
1519		2166
1520	Coro::cede;	2167	$f->resolve_delayed_derefs;
		2168
		2169	cf::cede_to_tick;
1521	# now do the right thing for maps	2170	# now do the right thing for maps
1522	$self->link_multipart_objects;	2171	$self->link_multipart_objects;
1523	Coro::cede;
1524
1525	unless ($self->{deny_activate}) {
1526	$self->decay_objects;
1527	$self->fix_auto_apply;
1528	$self->update_buttons;
1529	Coro::cede;
1530	$self->set_darkness_map;
1531	$self->difficulty ($self->estimate_difficulty)	2172	$self->difficulty ($self->estimate_difficulty)
1532	unless $self->difficulty;	2173	unless $self->difficulty;
1533	Coro::cede;	2174	cf::cede_to_tick;
		2175
		2176	unless ($self->{deny_activate}) {
		2177	$self->decay_objects;
		2178	$self->fix_auto_apply;
		2179	$self->update_buttons;
		2180	cf::cede_to_tick;
1534	$self->activate;	2181	$self->activate;
1535	Coro::cede;	2182	}
		2183
		2184	$self->{last_save} = $cf::RUNTIME;
		2185	$self->last_access ($cf::RUNTIME);
		2186
		2187	$self->in_memory (cf::MAP_ACTIVE);
1536	}	2188	}
1537		2189
1538	$self->post_load;	2190	$self->post_load;
1539	Coro::cede;
1540
1541	$self->in_memory (cf::MAP_IN_MEMORY);
1542	}	2191	}
1543		2192
		2193	# customize the map for a given player, i.e.
		2194	# return the _real_ map. used by e.g. per-player
		2195	# maps to change the path to ~playername/mappath
1544	sub customise_for {	2196	sub customise_for {
1545	my ($self, $ob) = @_;	2197	my ($self, $ob) = @_;
1546		2198
1547	return find "~" . $ob->name . "/" . $self->{path}	2199	return find "~" . $ob->name . "/" . $self->{path}
1548	if $self->per_player;	2200	if $self->per_player;
1549		2201
		2202	# return find "?party/" . $ob->name . "/" . $self->{path}
		2203	# if $self->per_party;
		2204
1550	$self	2205	$self
1551	}	2206	}
1552		2207
1553	# find and load all maps in the 3x3 area around a map	2208	# find and load all maps in the 3x3 area around a map
1554	sub load_diag {	2209	sub load_neighbours {
1555	my ($map) = @_;	2210	my ($map) = @_;
1556		2211
1557	my @diag; # diagonal neighbours	2212	my @neigh; # diagonal neighbours
1558		2213
1559	for (0 .. 3) {	2214	for (0 .. 3) {
1560	my $neigh = $map->tile_path ($_)	2215	my $neigh = $map->tile_path ($_)
1561	or next;	2216	or next;
1562	$neigh = find $neigh, $map	2217	$neigh = find $neigh, $map
1563	or next;	2218	or next;
1564	$neigh->load;	2219	$neigh->load;
1565		2220
		2221	# now find the diagonal neighbours
		2222	push @neigh,
1566	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2223	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1567	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2224	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1568	}	2225	}
1569		2226
1570	for (@diag) {	2227	for (grep defined $_->[0], @neigh) {
		2228	my ($path, $origin) = @$_;
1571	my $neigh = find @$_	2229	my $neigh = find $path, $origin
1572	or next;	2230	or next;
1573	$neigh->load;	2231	$neigh->load;
1574	}	2232	}
1575	}	2233	}
1576		2234
1577	sub find_sync {	2235	sub find_sync {
1578	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
1579		2237
1580	cf::sync_job { find $path, $origin }	2238	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2239	if $Coro::current == $Coro::main;
		2240
		2241	find $path, $origin
1581	}	2242	}
1582		2243
1583	sub do_load_sync {	2244	sub do_load_sync {
1584	my ($map) = @_;	2245	my ($map) = @_;
1585		2246
1586	cf::sync_job { $map->load };	2247	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2248	if $Coro::current == $Coro::main;
		2249
		2250	$map->load;
1587	}	2251	}
1588		2252
1589	our %MAP_PREFETCH;	2253	our %MAP_PREFETCH;
1590	our $MAP_PREFETCHER = undef;	2254	our $MAP_PREFETCHER = undef;
1591		2255
1592	sub find_async {	2256	sub find_async {
1593	my ($path, $origin) = @_;	2257	my ($path, $origin, $load) = @_;
1594		2258
1595	$path = normalise $path, $origin && $origin->{path};	2259	$path = normalise $path, $origin && $origin->{path};
1596		2260
1597	if (my $map = $cf::MAP{$path}) {	2261	if (my $map = $cf::MAP{$path}) {
1598	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2262	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1599	}	2263	}
1600		2264
1601	undef $MAP_PREFETCH{$path};	2265	$MAP_PREFETCH{$path} |= $load;
		2266
1602	$MAP_PREFETCHER ||= cf::async {	2267	$MAP_PREFETCHER ||= cf::async {
		2268	$Coro::current->{desc} = "map prefetcher";
		2269
1603	while (%MAP_PREFETCH) {	2270	while (%MAP_PREFETCH) {
1604	for my $path (keys %MAP_PREFETCH) {	2271	while (my ($k, $v) = each %MAP_PREFETCH) {
1605	my $map = find $path	2272	if (my $map = find $k) {
1606	or next;
1607	$map->load;	2273	$map->load if $v;
		2274	}
1608		2275
1609	delete $MAP_PREFETCH{$path};	2276	delete $MAP_PREFETCH{$k};
1610	}	2277	}
1611	}	2278	}
1612	undef $MAP_PREFETCHER;	2279	undef $MAP_PREFETCHER;
1613	};	2280	};
1614	$MAP_PREFETCHER->prio (6);	2281	$MAP_PREFETCHER->prio (6);
1615		2282
1616	()	2283	()
1617	}	2284	}
1618		2285
		2286	# common code, used by both ->save and ->swapout
1619	sub save {	2287	sub _save {
1620	my ($self) = @_;	2288	my ($self) = @_;
1621
1622	my $lock = cf::lock_acquire "map_data:" . $self->path;
1623		2289
1624	$self->{last_save} = $cf::RUNTIME;	2290	$self->{last_save} = $cf::RUNTIME;
1625		2291
1626	return unless $self->dirty;	2292	return unless $self->dirty;
1627		2293
…		…
1633	return if $self->{deny_save};	2299	return if $self->{deny_save};
1634		2300
1635	local $self->{last_access} = $self->last_access;#d#	2301	local $self->{last_access} = $self->last_access;#d#
1636		2302
1637	cf::async {	2303	cf::async {
		2304	$Coro::current->{desc} = "map player save";
1638	$_->contr->save for $self->players;	2305	$_->contr->save for $self->players;
1639	};	2306	};
		2307
		2308	cf::get_slot 0.02;
1640		2309
1641	if ($uniq) {	2310	if ($uniq) {
1642	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2311	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1643	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2312	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1644	} else {	2313	} else {
1645	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2314	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1646	}	2315	}
1647	}	2316	}
1648		2317
		2318	sub save {
		2319	my ($self) = @_;
		2320
		2321	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2322
		2323	$self->_save;
		2324	}
		2325
1649	sub swap_out {	2326	sub swap_out {
1650	my ($self) = @_;	2327	my ($self) = @_;
1651		2328
1652	# save first because save cedes
1653	$self->save;
1654
1655	my $lock = cf::lock_acquire "map_data:" . $self->path;	2329	my $lock = cf::lock_acquire "map_data:$self->{path}";
1656		2330
		2331	return if $self->in_memory != cf::MAP_ACTIVE;
		2332	return if $self->{deny_save};
1657	return if $self->players;	2333	return if $self->players;
1658	return if $self->in_memory != cf::MAP_IN_MEMORY;
1659	return if $self->{deny_save};
1660		2334
		2335	# first deactivate the map and "unlink" it from the core
		2336	$self->deactivate;
		2337	$_->clear_links_to ($self) for values %cf::MAP;
		2338	$self->in_memory (cf::MAP_SWAPPED);
		2339
		2340	# then atomically save
		2341	$self->_save;
		2342
		2343	# then free the map
1661	$self->clear;	2344	$self->clear;
1662	$self->in_memory (cf::MAP_SWAPPED);
1663	}	2345	}
1664		2346
1665	sub reset_at {	2347	sub reset_at {
1666	my ($self) = @_;	2348	my ($self) = @_;
1667		2349
1668	# TODO: safety, remove and allow resettable per-player maps	2350	# TODO: safety, remove and allow resettable per-player maps
1669	return 1e99 if $self->isa ("ext::map_per_player");#d#
1670	return 1e99 if $self->{deny_reset};	2351	return 1e99 if $self->{deny_reset};
1671		2352
1672	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2353	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1673	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2354	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1674		2355
…		…
1685	my ($self) = @_;	2366	my ($self) = @_;
1686		2367
1687	my $lock = cf::lock_acquire "map_data:$self->{path}";	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
1688		2369
1689	return if $self->players;	2370	return if $self->players;
1690	return if $self->isa ("ext::map_per_player");#d#
1691		2371
1692	warn "resetting map ", $self->path;#d#	2372	cf::trace "resetting map ", $self->path, "\n";
1693		2373
1694	$self->in_memory (cf::MAP_SWAPPED);	2374	$self->in_memory (cf::MAP_SWAPPED);
1695		2375
1696	# need to save uniques path	2376	# need to save uniques path
1697	unless ($self->{deny_save}) {	2377	unless ($self->{deny_save}) {
…		…
1701	if $uniq;	2381	if $uniq;
1702	}	2382	}
1703		2383
1704	delete $cf::MAP{$self->path};	2384	delete $cf::MAP{$self->path};
1705		2385
		2386	$self->deactivate;
		2387	$_->clear_links_to ($self) for values %cf::MAP;
1706	$self->clear;	2388	$self->clear;
1707
1708	$_->clear_links_to ($self) for values %cf::MAP;
1709		2389
1710	$self->unlink_save;	2390	$self->unlink_save;
1711	$self->destroy;	2391	$self->destroy;
1712	}	2392	}
1713		2393
1714	my $nuke_counter = "aaaa";	2394	my $nuke_counter = "aaaa";
1715		2395
1716	sub nuke {	2396	sub nuke {
1717	my ($self) = @_;	2397	my ($self) = @_;
1718		2398
		2399	{
		2400	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2401
1719	delete $cf::MAP{$self->path};	2402	delete $cf::MAP{$self->path};
1720		2403
1721	$self->unlink_save;	2404	$self->unlink_save;
1722		2405
1723	bless $self, "cf::map";	2406	bless $self, "cf::map::wrap";
1724	delete $self->{deny_reset};	2407	delete $self->{deny_reset};
1725	$self->{deny_save} = 1;	2408	$self->{deny_save} = 1;
1726	$self->reset_timeout (1);	2409	$self->reset_timeout (1);
1727	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2410	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1728		2411
1729	$cf::MAP{$self->path} = $self;	2412	$cf::MAP{$self->path} = $self;
		2413	}
1730		2414
1731	$self->reset; # polite request, might not happen	2415	$self->reset; # polite request, might not happen
		2416	}
		2417
		2418	=item $maps = cf::map::tmp_maps
		2419
		2420	Returns an arrayref with all map paths of currently instantiated and saved
		2421	maps. May block.
		2422
		2423	=cut
		2424
		2425	sub tmp_maps() {
		2426	[
		2427	map {
		2428	utf8::decode $_;
		2429	/\.map$/
		2430	? normalise $_
		2431	: ()
		2432	} @{ aio_readdir $TMPDIR or [] }
		2433	]
		2434	}
		2435
		2436	=item $maps = cf::map::random_maps
		2437
		2438	Returns an arrayref with all map paths of currently instantiated and saved
		2439	random maps. May block.
		2440
		2441	=cut
		2442
		2443	sub random_maps() {
		2444	[
		2445	map {
		2446	utf8::decode $_;
		2447	/\.map$/
		2448	? normalise "?random/$_"
		2449	: ()
		2450	} @{ aio_readdir $RANDOMDIR or [] }
		2451	]
1732	}	2452	}
1733		2453
1734	=item cf::map::unique_maps	2454	=item cf::map::unique_maps
1735		2455
1736	Returns an arrayref of paths of all shared maps that have	2456	Returns an arrayref of paths of all shared maps that have
1737	instantiated unique items. May block.	2457	instantiated unique items. May block.
1738		2458
1739	=cut	2459	=cut
1740		2460
1741	sub unique_maps() {	2461	sub unique_maps() {
1742	my $files = aio_readdir $UNIQUEDIR	2462	[
1743	or return;	2463	map {
1744
1745	my @paths;
1746
1747	for (@$files) {
1748	utf8::decode $_;	2464	utf8::decode $_;
1749	next if /\.pst$/;	2465	s/\.map$//; # TODO future compatibility hack
1750	next unless /^$PATH_SEP/o;	2466	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1751		2467	? ()
1752	push @paths, cf::map::normalise $_;	2468	: normalise $_
		2469	} @{ aio_readdir $UNIQUEDIR or [] }
1753	}	2470	]
1754
1755	\@paths
1756	}	2471	}
1757		2472
1758	package cf;	2473	=item cf::map::static_maps
		2474
		2475	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2476	file in the shared directory excluding F</styles> and F</editor>). May
		2477	block.
		2478
		2479	=cut
		2480
		2481	sub static_maps() {
		2482	my @dirs = "";
		2483	my @maps;
		2484
		2485	while (@dirs) {
		2486	my $dir = shift @dirs;
		2487
		2488	next if $dir eq "/styles" || $dir eq "/editor";
		2489
		2490	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2491	or return;
		2492
		2493	for (@$files) {
		2494	s/\.map$// or next;
		2495	utf8::decode $_;
		2496	push @maps, "$dir/$_";
		2497	}
		2498
		2499	push @dirs, map "$dir/$_", @$dirs;
		2500	}
		2501
		2502	\@maps
		2503	}
1759		2504
1760	=back	2505	=back
1761		2506
1762	=head3 cf::object	2507	=head3 cf::object
1763		2508
…		…
1767		2512
1768	=over 4	2513	=over 4
1769		2514
1770	=item $ob->inv_recursive	2515	=item $ob->inv_recursive
1771		2516
1772	Returns the inventory of the object _and_ their inventories, recursively.	2517	Returns the inventory of the object I<and> their inventories, recursively,
		2518	but I<not> the object itself.
1773		2519
1774	=cut	2520	=cut
1775		2521
1776	sub inv_recursive_;	2522	sub inv_recursive_;
1777	sub inv_recursive_ {	2523	sub inv_recursive_ {
…		…
1780		2526
1781	sub inv_recursive {	2527	sub inv_recursive {
1782	inv_recursive_ inv $_[0]	2528	inv_recursive_ inv $_[0]
1783	}	2529	}
1784		2530
		2531	=item $ref = $ob->ref
		2532
		2533	Creates and returns a persistent reference to an object that can be stored as a string.
		2534
		2535	=item $ob = cf::object::deref ($refstring)
		2536
		2537	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2538	even if the object actually exists. May block.
		2539
		2540	=cut
		2541
		2542	sub deref {
		2543	my ($ref) = @_;
		2544
		2545	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2546	my ($uuid, $name) = ($1, $2);
		2547	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2548	or return;
		2549	$pl->ob->uuid eq $uuid
		2550	or return;
		2551
		2552	$pl->ob
		2553	} else {
		2554	warn "$ref: cannot resolve object reference\n";
		2555	undef
		2556	}
		2557	}
		2558
1785	package cf;	2559	package cf;
1786		2560
1787	=back	2561	=back
1788		2562
1789	=head3 cf::object::player	2563	=head3 cf::object::player
…		…
1795	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2569	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1796	can be C<undef>. Does the right thing when the player is currently in a	2570	can be C<undef>. Does the right thing when the player is currently in a
1797	dialogue with the given NPC character.	2571	dialogue with the given NPC character.
1798		2572
1799	=cut	2573	=cut
		2574
		2575	our $SAY_CHANNEL = {
		2576	id => "say",
		2577	title => "Map",
		2578	reply => "say ",
		2579	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2580	};
		2581
		2582	our $CHAT_CHANNEL = {
		2583	id => "chat",
		2584	title => "Chat",
		2585	reply => "chat ",
		2586	tooltip => "Player chat and shouts, global to the server.",
		2587	};
1800		2588
1801	# rough implementation of a future "reply" method that works	2589	# rough implementation of a future "reply" method that works
1802	# with dialog boxes.	2590	# with dialog boxes.
1803	#TODO: the first argument must go, split into a $npc->reply_to ( method	2591	#TODO: the first argument must go, split into a $npc->reply_to ( method
1804	sub cf::object::player::reply($$$;$) {	2592	sub cf::object::player::reply($$$;$) {
…		…
1806		2594
1807	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2595	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1808		2596
1809	if ($self->{record_replies}) {	2597	if ($self->{record_replies}) {
1810	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2598	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2599
1811	} else {	2600	} else {
		2601	my $pl = $self->contr;
		2602
		2603	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2604	my $dialog = $pl->{npc_dialog};
		2605	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2606
		2607	} else {
1812	$msg = $npc->name . " says: $msg" if $npc;	2608	$msg = $npc->name . " says: $msg" if $npc;
1813	$self->message ($msg, $flags);	2609	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2610	}
1814	}	2611	}
		2612	}
		2613
		2614	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2615
		2616	=cut
		2617
		2618	sub cf::object::send_msg {
		2619	my $pl = shift->contr
		2620	or return;
		2621	$pl->send_msg (@_);
1815	}	2622	}
1816		2623
1817	=item $player_object->may ("access")	2624	=item $player_object->may ("access")
1818		2625
1819	Returns wether the given player is authorized to access resource "access"	2626	Returns wether the given player is authorized to access resource "access"
…		…
1832		2639
1833	=item $player_object->enter_link	2640	=item $player_object->enter_link
1834		2641
1835	Freezes the player and moves him/her to a special map (C<{link}>).	2642	Freezes the player and moves him/her to a special map (C<{link}>).
1836		2643
1837	The player should be reasonably safe there for short amounts of time. You	2644	The player should be reasonably safe there for short amounts of time (e.g.
1838	I<MUST> call C<leave_link> as soon as possible, though.	2645	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2646	though, as the player cannot control the character while it is on the link
		2647	map.
1839		2648
1840	Will never block.	2649	Will never block.
1841		2650
1842	=item $player_object->leave_link ($map, $x, $y)	2651	=item $player_object->leave_link ($map, $x, $y)
1843		2652
…		…
1863	sub cf::object::player::enter_link {	2672	sub cf::object::player::enter_link {
1864	my ($self) = @_;	2673	my ($self) = @_;
1865		2674
1866	$self->deactivate_recursive;	2675	$self->deactivate_recursive;
1867		2676
		2677	++$self->{_link_recursion};
		2678
1868	return if UNIVERSAL::isa $self->map, "ext::map_link";	2679	return if UNIVERSAL::isa $self->map, "ext::map_link";
1869		2680
1870	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2681	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1871	if $self->map;	2682	if $self->map && $self->map->{path} ne "{link}";
1872		2683
1873	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2684	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1874	}	2685	}
1875		2686
1876	sub cf::object::player::leave_link {	2687	sub cf::object::player::leave_link {
1877	my ($self, $map, $x, $y) = @_;	2688	my ($self, $map, $x, $y) = @_;
		2689
		2690	return unless $self->contr->active;
1878		2691
1879	my $link_pos = delete $self->{_link_pos};	2692	my $link_pos = delete $self->{_link_pos};
1880		2693
1881	unless ($map) {	2694	unless ($map) {
1882	# restore original map position	2695	# restore original map position
…		…
1893	($x, $y) = (-1, -1)	2706	($x, $y) = (-1, -1)
1894	unless (defined $x) && (defined $y);	2707	unless (defined $x) && (defined $y);
1895		2708
1896	# use -1 or undef as default coordinates, not 0, 0	2709	# use -1 or undef as default coordinates, not 0, 0
1897	($x, $y) = ($map->enter_x, $map->enter_y)	2710	($x, $y) = ($map->enter_x, $map->enter_y)
1898	if $x <=0 && $y <= 0;	2711	if $x <= 0 && $y <= 0;
1899		2712
1900	$map->load;	2713	$map->load;
1901	$map->load_diag;	2714	$map->load_neighbours;
1902		2715
1903	return unless $self->contr->active;	2716	return unless $self->contr->active;
1904	$self->activate_recursive;
1905		2717
1906	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2718	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1907	$self->enter_map ($map, $x, $y);	2719	if ($self->enter_map ($map, $x, $y)) {
1908	}	2720	# entering was successful
1909		2721	delete $self->{_link_recursion};
1910	cf::player->attach (	2722	# only activate afterwards, to support waiting in hooks
1911	on_logout => sub {	2723	$self->activate_recursive;
1912	my ($pl) = @_;
1913
1914	# abort map switching before logout
1915	if ($pl->ob->{_link_pos}) {
1916	cf::sync_job {
1917	$pl->ob->leave_link
1918	};
1919	}
1920	},	2724	}
1921	on_login => sub {
1922	my ($pl) = @_;
1923		2725
1924	# try to abort aborted map switching on player login :)	2726	}
1925	# should happen only on crashes
1926	if ($pl->ob->{_link_pos}) {
1927	$pl->ob->enter_link;
1928	(async {
1929	$pl->ob->reply (undef,
1930	"There was an internal problem at your last logout, "
1931	. "the server will try to bring you to your intended destination in a second.",
1932	cf::NDI_RED);
1933	# we need this sleep as the login has a concurrent enter_exit running
1934	# and this sleep increases chances of the player not ending up in scorn
1935	Coro::Timer::sleep 1;
1936	$pl->ob->leave_link;
1937	})->prio (2);
1938	}
1939	},
1940	);
1941		2727
1942	=item $player_object->goto ($path, $x, $y)	2728	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1943		2729
		2730	Moves the player to the given map-path and coordinates by first freezing
		2731	her, loading and preparing them map, calling the provided $check callback
		2732	that has to return the map if sucecssful, and then unfreezes the player on
		2733	the new (success) or old (failed) map position. In either case, $done will
		2734	be called at the end of this process.
		2735
		2736	Note that $check will be called with a potentially non-loaded map, so if
		2737	it needs a loaded map it has to call C<< ->load >>.
		2738
1944	=cut	2739	=cut
		2740
		2741	our $GOTOGEN;
1945		2742
1946	sub cf::object::player::goto {	2743	sub cf::object::player::goto {
1947	my ($self, $path, $x, $y) = @_;	2744	my ($self, $path, $x, $y, $check, $done) = @_;
		2745
		2746	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2747	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2748	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2749	($path, $x, $y) = @$EMERGENCY_POSITION;
		2750	}
		2751
		2752	# do generation counting so two concurrent goto's will be executed in-order
		2753	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1948		2754
1949	$self->enter_link;	2755	$self->enter_link;
1950		2756
1951	(async {	2757	(async {
		2758	$Coro::current->{desc} = "player::goto $path $x $y";
		2759
		2760	# *tag paths override both path and x|y
		2761	if ($path =~ /^\*(.*)$/) {
		2762	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2763	my $ob = $obs[rand @obs];
		2764
		2765	# see if we actually can go there
		2766	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2767	$ob = $obs[rand @obs];
		2768	} else {
		2769	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2770	}
		2771	# else put us there anyways for now #d#
		2772
		2773	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2774	} else {
		2775	($path, $x, $y) = (undef, undef, undef);
		2776	}
		2777	}
		2778
1952	my $map = eval {	2779	my $map = eval {
1953	my $map = cf::map::find $path;	2780	my $map = defined $path ? cf::map::find $path : undef;
		2781
		2782	if ($map) {
1954	$map = $map->customise_for ($self) if $map;	2783	$map = $map->customise_for ($self);
		2784	$map = $check->($map, $x, $y, $self) if $check && $map;
		2785	} else {
		2786	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2787	}
		2788
1955	$map	2789	$map
		2790	};
		2791
		2792	if ($@) {
		2793	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2794	LOG llevError | logBacktrace, Carp::longmess $@;
1956	} or	2795	}
1957	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1958		2796
		2797	if ($gen == $self->{_goto_generation}) {
		2798	delete $self->{_goto_generation};
1959	$self->leave_link ($map, $x, $y);	2799	$self->leave_link ($map, $x, $y);
		2800	}
		2801
		2802	$done->($self) if $done;
1960	})->prio (1);	2803	})->prio (1);
1961	}	2804	}
1962		2805
1963	=item $player_object->enter_exit ($exit_object)	2806	=item $player_object->enter_exit ($exit_object)
1964		2807
…		…
1984	}	2827	}
1985		2828
1986	sub prepare_random_map {	2829	sub prepare_random_map {
1987	my ($exit) = @_;	2830	my ($exit) = @_;
1988		2831
1989	my $guard = cf::lock_acquire "exit_prepare:$exit";
1990
1991	# all this does is basically replace the /! path by	2832	# all this does is basically replace the /! path by
1992	# a new random map path (?random/...) with a seed	2833	# a new random map path (?random/...) with a seed
1993	# that depends on the exit object	2834	# that depends on the exit object
1994		2835
1995	my $rmp = parse_random_map_params $exit->msg;	2836	my $rmp = parse_random_map_params $exit->msg;
…		…
1997	if ($exit->map) {	2838	if ($exit->map) {
1998	$rmp->{region} = $exit->region->name;	2839	$rmp->{region} = $exit->region->name;
1999	$rmp->{origin_map} = $exit->map->path;	2840	$rmp->{origin_map} = $exit->map->path;
2000	$rmp->{origin_x} = $exit->x;	2841	$rmp->{origin_x} = $exit->x;
2001	$rmp->{origin_y} = $exit->y;	2842	$rmp->{origin_y} = $exit->y;
		2843
		2844	$exit->map->touch;
2002	}	2845	}
2003		2846
2004	$rmp->{random_seed} ||= $exit->random_seed;	2847	$rmp->{random_seed} ||= $exit->random_seed;
2005		2848
2006	my $data = cf::to_json $rmp;	2849	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2007	my $md5 = Digest::MD5::md5_hex $data;	2850	my $md5 = Digest::MD5::md5_hex $data;
2008	my $meta = "$RANDOMDIR/$md5.meta";	2851	my $meta = "$RANDOMDIR/$md5.meta";
2009		2852
2010	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2853	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2011	aio_write $fh, 0, (length $data), $data, 0;	2854	aio_write $fh, 0, (length $data), $data, 0;
2012	undef $fh;	2855	undef $fh;
2013	aio_rename "$meta~", $meta;	2856	aio_rename "$meta~", $meta;
2014		2857
		2858	my $slaying = "?random/$md5";
		2859
		2860	if ($exit->valid) {
2015	$exit->slaying ("?random/$md5");	2861	$exit->slaying ("?random/$md5");
2016	$exit->msg (undef);	2862	$exit->msg (undef);
		2863	}
2017	}	2864	}
2018	}	2865	}
2019		2866
2020	sub cf::object::player::enter_exit {	2867	sub cf::object::player::enter_exit {
2021	my ($self, $exit) = @_;	2868	my ($self, $exit) = @_;
2022		2869
2023	return unless $self->type == cf::PLAYER;	2870	return unless $self->type == cf::PLAYER;
2024		2871
2025	if ($exit->slaying eq "/!") {
2026	#TODO: this should de-fi-ni-te-ly not be a sync-job
2027	# the problem is that $exit might not survive long enough
2028	# so it needs to be done right now, right here
2029	cf::sync_job { prepare_random_map $exit };
2030	}
2031
2032	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2033	my $hp = $exit->stats->hp;
2034	my $sp = $exit->stats->sp;
2035
2036	$self->enter_link;	2872	$self->enter_link;
2037		2873
2038	(async {	2874	(async {
2039	$self->deactivate_recursive; # just to be sure	2875	$Coro::current->{desc} = "enter_exit";
		2876
2040	unless (eval {	2877	unless (eval {
		2878	$self->deactivate_recursive; # just to be sure
		2879
		2880	# random map handling
		2881	{
		2882	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2883
		2884	prepare_random_map $exit
		2885	if $exit->slaying eq "/!";
		2886	}
		2887
		2888	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2889	my $x = $exit->stats->hp;
		2890	my $y = $exit->stats->sp;
		2891
2041	$self->goto ($slaying, $hp, $sp);	2892	$self->goto ($map, $x, $y);
2042		2893
		2894	# if exit is damned, update players death & WoR home-position
		2895	$self->contr->savebed ($map, $x, $y)
		2896	if $exit->flag (cf::FLAG_DAMNED);
		2897
2043	1;	2898	1
2044	}) {	2899	}) {
2045	$self->message ("Something went wrong deep within the crossfire server. "	2900	$self->message ("Something went wrong deep within the deliantra server. "
2046	. "I'll try to bring you back to the map you were before. "	2901	. "I'll try to bring you back to the map you were before. "
2047	. "Please report this to the dungeon master!",	2902	. "Please report this to the dungeon master!",
2048	cf::NDI_UNIQUE | cf::NDI_RED);	2903	cf::NDI_UNIQUE | cf::NDI_RED);
2049		2904
2050	warn "ERROR in enter_exit: $@";	2905	error "ERROR in enter_exit: $@";
2051	$self->leave_link;	2906	$self->leave_link;
2052	}	2907	}
2053	})->prio (1);	2908	})->prio (1);
2054	}	2909	}
2055		2910
…		…
2069		2924
2070	utf8::encode $text;	2925	utf8::encode $text;
2071	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2926	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2072	}	2927	}
2073		2928
		2929	=item $client->send_big_packet ($pkt)
		2930
		2931	Like C<send_packet>, but tries to compress large packets, and fragments
		2932	them as required.
		2933
		2934	=cut
		2935
		2936	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2937
		2938	sub cf::client::send_big_packet {
		2939	my ($self, $pkt) = @_;
		2940
		2941	# try lzf for large packets
		2942	$pkt = "lzf " . Compress::LZF::compress $pkt
		2943	if 1024 <= length $pkt and $self->{can_lzf};
		2944
		2945	# split very large packets
		2946	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2947	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2948	$pkt = "frag";
		2949	}
		2950
		2951	$self->send_packet ($pkt);
		2952	}
		2953
		2954	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2955
		2956	Send a drawinfo or msg packet to the client, formatting the msg for the
		2957	client if neccessary. C<$type> should be a string identifying the type of
		2958	the message, with C<log> being the default. If C<$color> is negative, suppress
		2959	the message unless the client supports the msg packet.
		2960
		2961	=cut
		2962
		2963	# non-persistent channels (usually the info channel)
		2964	our %CHANNEL = (
		2965	"c/motd" => {
		2966	id => "infobox",
		2967	title => "MOTD",
		2968	reply => undef,
		2969	tooltip => "The message of the day",
		2970	},
		2971	"c/identify" => {
		2972	id => "infobox",
		2973	title => "Identify",
		2974	reply => undef,
		2975	tooltip => "Items recently identified",
		2976	},
		2977	"c/examine" => {
		2978	id => "infobox",
		2979	title => "Examine",
		2980	reply => undef,
		2981	tooltip => "Signs and other items you examined",
		2982	},
		2983	"c/shopinfo" => {
		2984	id => "infobox",
		2985	title => "Shop Info",
		2986	reply => undef,
		2987	tooltip => "What your bargaining skill tells you about the shop",
		2988	},
		2989	"c/book" => {
		2990	id => "infobox",
		2991	title => "Book",
		2992	reply => undef,
		2993	tooltip => "The contents of a note or book",
		2994	},
		2995	"c/lookat" => {
		2996	id => "infobox",
		2997	title => "Look",
		2998	reply => undef,
		2999	tooltip => "What you saw there",
		3000	},
		3001	"c/who" => {
		3002	id => "infobox",
		3003	title => "Players",
		3004	reply => undef,
		3005	tooltip => "Shows players who are currently online",
		3006	},
		3007	"c/body" => {
		3008	id => "infobox",
		3009	title => "Body Parts",
		3010	reply => undef,
		3011	tooltip => "Shows which body parts you posess and are available",
		3012	},
		3013	"c/statistics" => {
		3014	id => "infobox",
		3015	title => "Statistics",
		3016	reply => undef,
		3017	tooltip => "Shows your primary statistics",
		3018	},
		3019	"c/skills" => {
		3020	id => "infobox",
		3021	title => "Skills",
		3022	reply => undef,
		3023	tooltip => "Shows your experience per skill and item power",
		3024	},
		3025	"c/shopitems" => {
		3026	id => "infobox",
		3027	title => "Shop Items",
		3028	reply => undef,
		3029	tooltip => "Shows the items currently for sale in this shop",
		3030	},
		3031	"c/resistances" => {
		3032	id => "infobox",
		3033	title => "Resistances",
		3034	reply => undef,
		3035	tooltip => "Shows your resistances",
		3036	},
		3037	"c/pets" => {
		3038	id => "infobox",
		3039	title => "Pets",
		3040	reply => undef,
		3041	tooltip => "Shows information abotu your pets/a specific pet",
		3042	},
		3043	"c/perceiveself" => {
		3044	id => "infobox",
		3045	title => "Perceive Self",
		3046	reply => undef,
		3047	tooltip => "You gained detailed knowledge about yourself",
		3048	},
		3049	"c/uptime" => {
		3050	id => "infobox",
		3051	title => "Uptime",
		3052	reply => undef,
		3053	tooltip => "How long the server has been running since last restart",
		3054	},
		3055	"c/mapinfo" => {
		3056	id => "infobox",
		3057	title => "Map Info",
		3058	reply => undef,
		3059	tooltip => "Information related to the maps",
		3060	},
		3061	"c/party" => {
		3062	id => "party",
		3063	title => "Party",
		3064	reply => "gsay ",
		3065	tooltip => "Messages and chat related to your party",
		3066	},
		3067	"c/death" => {
		3068	id => "death",
		3069	title => "Death",
		3070	reply => undef,
		3071	tooltip => "Reason for and more info about your most recent death",
		3072	},
		3073	"c/say" => $SAY_CHANNEL,
		3074	"c/chat" => $CHAT_CHANNEL,
		3075	);
		3076
		3077	sub cf::client::send_msg {
		3078	my ($self, $channel, $msg, $color, @extra) = @_;
		3079
		3080	$msg = $self->pl->expand_cfpod ($msg)
		3081	unless $color & cf::NDI_VERBATIM;
		3082
		3083	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3084
		3085	# check predefined channels, for the benefit of C
		3086	if ($CHANNEL{$channel}) {
		3087	$channel = $CHANNEL{$channel};
		3088
		3089	$self->ext_msg (channel_info => $channel);
		3090	$channel = $channel->{id};
		3091
		3092	} elsif (ref $channel) {
		3093	# send meta info to client, if not yet sent
		3094	unless (exists $self->{channel}{$channel->{id}}) {
		3095	$self->{channel}{$channel->{id}} = $channel;
		3096	$self->ext_msg (channel_info => $channel);
		3097	}
		3098
		3099	$channel = $channel->{id};
		3100	}
		3101
		3102	return unless @extra || length $msg;
		3103
		3104	# default colour, mask it out
		3105	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3106	if $color & cf::NDI_DEF;
		3107
		3108	my $pkt = "msg "
		3109	. $self->{json_coder}->encode (
		3110	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3111	);
		3112
		3113	$self->send_big_packet ($pkt);
		3114	}
		3115
2074	=item $client->ext_event ($type, %msg)	3116	=item $client->ext_msg ($type, @msg)
2075		3117
2076	Sends an exti event to the client.	3118	Sends an ext event to the client.
2077		3119
2078	=cut	3120	=cut
2079		3121
2080	sub cf::client::ext_event($$%) {	3122	sub cf::client::ext_msg($$@) {
2081	my ($self, $type, %msg) = @_;	3123	my ($self, $type, @msg) = @_;
2082		3124
		3125	if ($self->extcmd == 2) {
		3126	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3127	} elsif ($self->extcmd == 1) { # TODO: remove
2083	$msg{msgtype} = "event_$type";	3128	push @msg, msgtype => "event_$type";
2084	$self->send_packet ("ext " . cf::to_json \%msg);	3129	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3130	}
		3131	}
		3132
		3133	=item $client->ext_reply ($msgid, @msg)
		3134
		3135	Sends an ext reply to the client.
		3136
		3137	=cut
		3138
		3139	sub cf::client::ext_reply($$@) {
		3140	my ($self, $id, @msg) = @_;
		3141
		3142	if ($self->extcmd == 2) {
		3143	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3144	} elsif ($self->extcmd == 1) {
		3145	#TODO: version 1, remove
		3146	unshift @msg, msgtype => "reply", msgid => $id;
		3147	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3148	}
2085	}	3149	}
2086		3150
2087	=item $success = $client->query ($flags, "text", \&cb)	3151	=item $success = $client->query ($flags, "text", \&cb)
2088		3152
2089	Queues a query to the client, calling the given callback with	3153	Queues a query to the client, calling the given callback with
2090	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3154	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2091	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3155	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2092		3156
2093	Queries can fail, so check the return code. Or don't, as queries will become	3157	Queries can fail, so check the return code. Or don't, as queries will
2094	reliable at some point in the future.	3158	become reliable at some point in the future.
2095		3159
2096	=cut	3160	=cut
2097		3161
2098	sub cf::client::query {	3162	sub cf::client::query {
2099	my ($self, $flags, $text, $cb) = @_;	3163	my ($self, $flags, $text, $cb) = @_;
…		…
2107	utf8::encode $text;	3171	utf8::encode $text;
2108	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3172	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2109		3173
2110	$self->send_packet ($self->{query_queue}[0][0])	3174	$self->send_packet ($self->{query_queue}[0][0])
2111	if @{ $self->{query_queue} } == 1;	3175	if @{ $self->{query_queue} } == 1;
		3176
		3177	1
2112	}	3178	}
2113		3179
2114	cf::client->attach (	3180	cf::client->attach (
		3181	on_connect => sub {
		3182	my ($ns) = @_;
		3183
		3184	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3185	},
2115	on_reply => sub {	3186	on_reply => sub {
2116	my ($ns, $msg) = @_;	3187	my ($ns, $msg) = @_;
2117		3188
2118	# this weird shuffling is so that direct followup queries	3189	# this weird shuffling is so that direct followup queries
2119	# get handled first	3190	# get handled first
…		…
2131	} else {	3202	} else {
2132	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3203	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2133	}	3204	}
2134	}	3205	}
2135	},	3206	},
		3207	on_exticmd => sub {
		3208	my ($ns, $buf) = @_;
		3209
		3210	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3211
		3212	if (ref $msg) {
		3213	my ($type, $reply, @payload) =
		3214	"ARRAY" eq ref $msg
		3215	? @$msg
		3216	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3217
		3218	my @reply;
		3219
		3220	if (my $cb = $EXTICMD{$type}) {
		3221	@reply = $cb->($ns, @payload);
		3222	}
		3223
		3224	$ns->ext_reply ($reply, @reply)
		3225	if $reply;
		3226
		3227	} else {
		3228	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3229	}
		3230
		3231	cf::override;
		3232	},
2136	);	3233	);
2137		3234
2138	=item $client->async (\&cb)	3235	=item $client->async (\&cb)
2139		3236
2140	Create a new coroutine, running the specified callback. The coroutine will	3237	Create a new coroutine, running the specified callback. The coroutine will
…		…
2156		3253
2157	$coro	3254	$coro
2158	}	3255	}
2159		3256
2160	cf::client->attach (	3257	cf::client->attach (
2161	on_destroy => sub {	3258	on_client_destroy => sub {
2162	my ($ns) = @_;	3259	my ($ns) = @_;
2163		3260
2164	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3261	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2165	},	3262	},
2166	);	3263	);
…		…
2181	our $safe = new Safe "safe";	3278	our $safe = new Safe "safe";
2182	our $safe_hole = new Safe::Hole;	3279	our $safe_hole = new Safe::Hole;
2183		3280
2184	$SIG{FPE} = 'IGNORE';	3281	$SIG{FPE} = 'IGNORE';
2185		3282
2186	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3283	$safe->permit_only (Opcode::opset qw(
		3284	:base_core :base_mem :base_orig :base_math :base_loop
		3285	grepstart grepwhile mapstart mapwhile
		3286	sort time
		3287	));
2187		3288
2188	# here we export the classes and methods available to script code	3289	# here we export the classes and methods available to script code
2189		3290
2190	=pod	3291	=pod
2191		3292
2192	The following functions and methods are available within a safe environment:	3293	The following functions and methods are available within a safe environment:
2193		3294
2194	cf::object contr pay_amount pay_player map	3295	cf::object
		3296	contr pay_amount pay_player map x y force_find force_add destroy
		3297	insert remove name archname title slaying race decrease split
		3298	value
		3299
2195	cf::object::player player	3300	cf::object::player
2196	cf::player peaceful	3301	player
2197	cf::map trigger	3302
		3303	cf::player
		3304	peaceful
		3305
		3306	cf::map
		3307	trigger
2198		3308
2199	=cut	3309	=cut
2200		3310
2201	for (	3311	for (
2202	["cf::object" => qw(contr pay_amount pay_player map)],	3312	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3313	insert remove inv nrof name archname title slaying race
		3314	decrease split destroy change_exp value msg lore send_msg)],
2203	["cf::object::player" => qw(player)],	3315	["cf::object::player" => qw(player)],
2204	["cf::player" => qw(peaceful)],	3316	["cf::player" => qw(peaceful send_msg)],
2205	["cf::map" => qw(trigger)],	3317	["cf::map" => qw(trigger)],
2206	) {	3318	) {
2207	no strict 'refs';
2208	my ($pkg, @funs) = @$_;	3319	my ($pkg, @funs) = @$_;
2209	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3320	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2210	for @funs;	3321	for @funs;
2211	}	3322	}
2212		3323
…		…
2227		3338
2228	my $qcode = $code;	3339	my $qcode = $code;
2229	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3340	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2230	$qcode =~ s/\n/\\n/g;	3341	$qcode =~ s/\n/\\n/g;
2231		3342
		3343	%vars = (_dummy => 0) unless %vars;
		3344
		3345	my @res;
2232	local $_;	3346	local $_;
2233	local @safe::cf::_safe_eval_args = values %vars;
2234		3347
2235	my $eval =	3348	my $eval =
2236	"do {\n"	3349	"do {\n"
2237	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3350	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2238	. "#line 0 \"{$qcode}\"\n"	3351	. "#line 0 \"{$qcode}\"\n"
2239	. $code	3352	. $code
2240	. "\n}"	3353	. "\n}"
2241	;	3354	;
2242		3355
		3356	if ($CFG{safe_eval}) {
2243	sub_generation_inc;	3357	sub_generation_inc;
		3358	local @safe::cf::_safe_eval_args = values %vars;
2244	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3359	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2245	sub_generation_inc;	3360	sub_generation_inc;
		3361	} else {
		3362	local @cf::_safe_eval_args = values %vars;
		3363	@res = wantarray ? eval eval : scalar eval $eval;
		3364	}
2246		3365
2247	if ($@) {	3366	if ($@) {
2248	warn "$@";	3367	warn "$@",
2249	warn "while executing safe code '$code'\n";	3368	"while executing safe code '$code'\n",
2250	warn "with arguments " . (join " ", %vars) . "\n";	3369	"with arguments " . (join " ", %vars) . "\n";
2251	}	3370	}
2252		3371
2253	wantarray ? @res : $res[0]	3372	wantarray ? @res : $res[0]
2254	}	3373	}
2255		3374
…		…
2269	=cut	3388	=cut
2270		3389
2271	sub register_script_function {	3390	sub register_script_function {
2272	my ($fun, $cb) = @_;	3391	my ($fun, $cb) = @_;
2273		3392
2274	no strict 'refs';	3393	$fun = "safe::$fun" if $CFG{safe_eval};
2275	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3394	*$fun = $safe_hole->wrap ($cb);
2276	}	3395	}
2277		3396
2278	=back	3397	=back
2279		3398
2280	=cut	3399	=cut
2281
2282	#############################################################################
2283
2284	=head2 EXTENSION DATABASE SUPPORT
2285
2286	Crossfire maintains a very simple database for extension use. It can
2287	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2288	convert to/from binary).
2289
2290	The parameter C<$family> should best start with the name of the extension
2291	using it, it should be unique.
2292
2293	=over 4
2294
2295	=item $value = cf::db_get $family => $key
2296
2297	Returns a single value from the database.
2298
2299	=item cf::db_put $family => $key => $value
2300
2301	Stores the given C<$value> in the family.
2302
2303	=cut
2304
2305	our $DB;
2306
2307	sub db_init {
2308	unless ($DB) {
2309	$DB = BDB::db_create $DB_ENV;
2310
2311	cf::sync_job {
2312	eval {
2313	$DB->set_flags (BDB::CHKSUM);
2314
2315	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2316	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2317	cf::cleanup "db_open(db): $!" if $!;
2318	};
2319	cf::cleanup "db_open(db): $@" if $@;
2320	};
2321	}
2322	}
2323
2324	sub db_get($$) {
2325	my $key = "$_[0]/$_[1]";
2326
2327	cf::sync_job {
2328	BDB::db_get $DB, undef, $key, my $data;
2329
2330	$! ? ()
2331	: $data
2332	}
2333	}
2334
2335	sub db_put($$$) {
2336	BDB::dbreq_pri 4;
2337	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2338	}
2339
2340	=item cf::cache $id => [$paths...], $processversion => $process
2341
2342	Generic caching function that returns the value of the resource $id,
2343	caching and regenerating as required.
2344
2345	This function can block.
2346
2347	=cut
2348
2349	sub cache {
2350	my ($id, $src, $processversion, $process) = @_;
2351
2352	my $meta =
2353	join "\x00",
2354	$processversion,
2355	map {
2356	aio_stat $_
2357	and Carp::croak "$_: $!";
2358
2359	($_, (stat _)[7,9])
2360	} @$src;
2361
2362	my $dbmeta = db_get cache => "$id/meta";
2363	if ($dbmeta ne $meta) {
2364	# changed, we may need to process
2365
2366	my @data;
2367	my $md5;
2368
2369	for (0 .. $#$src) {
2370	0 <= aio_load $src->[$_], $data[$_]
2371	or Carp::croak "$src->[$_]: $!";
2372	}
2373
2374	# if processing is expensive, check
2375	# checksum first
2376	if (1) {
2377	$md5 =
2378	join "\x00",
2379	$processversion,
2380	map {
2381	Coro::cede;
2382	($src->[$_], Digest::MD5::md5_hex $data[$_])
2383	} 0.. $#$src;
2384
2385
2386	my $dbmd5 = db_get cache => "$id/md5";
2387	if ($dbmd5 eq $md5) {
2388	db_put cache => "$id/meta", $meta;
2389
2390	return db_get cache => "$id/data";
2391	}
2392	}
2393
2394	my $t1 = Time::HiRes::time;
2395	my $data = $process->(\@data);
2396	my $t2 = Time::HiRes::time;
2397
2398	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2399
2400	db_put cache => "$id/data", $data;
2401	db_put cache => "$id/md5" , $md5;
2402	db_put cache => "$id/meta", $meta;
2403
2404	return $data;
2405	}
2406
2407	db_get cache => "$id/data"
2408	}
2409
2410	=item fork_call { }, $args
2411
2412	Executes the given code block with the given arguments in a seperate
2413	process, returning the results. Everything must be serialisable with
2414	Coro::Storable. May, of course, block. Note that the executed sub may
2415	never block itself or use any form of Event handling.
2416
2417	=cut
2418
2419	sub fork_call(&@) {
2420	my ($cb, @args) = @_;
2421
2422	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2423	# or die "socketpair: $!";
2424	pipe my $fh1, my $fh2
2425	or die "pipe: $!";
2426
2427	if (my $pid = fork) {
2428	close $fh2;
2429
2430	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2431	$res = Coro::Storable::thaw $res;
2432
2433	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2434
2435	die $$res unless "ARRAY" eq ref $res;
2436
2437	return wantarray ? @$res : $res->[-1];
2438	} else {
2439	local $SIG{__WARN__};
2440	eval {
2441	local $SIG{__DIE__};
2442	close $fh1;
2443
2444	my @res = eval { $cb->(@args) };
2445	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2446	};
2447
2448	warn $@ if $@;
2449	_exit 0;
2450	}
2451	}
2452
2453
2454		3400
2455	#############################################################################	3401	#############################################################################
2456	# the server's init and main functions	3402	# the server's init and main functions
2457		3403
2458	sub load_facedata($) {	3404	sub load_facedata($) {
2459	my ($path) = @_;	3405	my ($path) = @_;
2460		3406
		3407	# HACK to clear player env face cache, we need some signal framework
		3408	# for this (global event?)
		3409	%ext::player_env::MUSIC_FACE_CACHE = ();
		3410
		3411	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3412
2461	warn "loading facedata from $path\n";	3413	trace "loading facedata from $path\n";
2462		3414
2463	my $facedata;
2464	0 < aio_load $path, $facedata	3415	0 < aio_load $path, my $facedata
2465	or die "$path: $!";	3416	or die "$path: $!";
2466		3417
2467	$facedata = Coro::Storable::thaw $facedata;	3418	$facedata = Coro::Storable::thaw $facedata;
2468		3419
2469	$facedata->{version} == 2	3420	$facedata->{version} == 2
2470	or cf::cleanup "$path: version mismatch, cannot proceed.";	3421	or cf::cleanup "$path: version mismatch, cannot proceed.";
2471		3422
		3423	# patch in the exptable
		3424	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3425	$facedata->{resource}{"res/exp_table"} = {
		3426	type => FT_RSRC,
		3427	data => $exp_table,
		3428	hash => (Digest::MD5::md5 $exp_table),
		3429	};
		3430	cf::cede_to_tick;
		3431
2472	{	3432	{
2473	my $faces = $facedata->{faceinfo};	3433	my $faces = $facedata->{faceinfo};
2474		3434
2475	while (my ($face, $info) = each %$faces) {	3435	while (my ($face, $info) = each %$faces) {
2476	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3436	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3437
2477	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3438	cf::face::set_visibility $idx, $info->{visibility};
		3439	cf::face::set_magicmap $idx, $info->{magicmap};
2478	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3440	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2479	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3441	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2480	Coro::cede;	3442
		3443	cf::cede_to_tick;
2481	}	3444	}
2482		3445
2483	while (my ($face, $info) = each %$faces) {	3446	while (my ($face, $info) = each %$faces) {
2484	next unless $info->{smooth};	3447	next unless $info->{smooth};
		3448
2485	my $idx = cf::face::find $face	3449	my $idx = cf::face::find $face
2486	or next;	3450	or next;
		3451
2487	if (my $smooth = cf::face::find $info->{smooth}) {	3452	if (my $smooth = cf::face::find $info->{smooth}) {
		3453	cf::face::set_smooth $idx, $smooth;
2488	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3454	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2489	} else {	3455	} else {
2490	warn "smooth face '$info->{smooth}' not found for face '$face'";	3456	error "smooth face '$info->{smooth}' not found for face '$face'";
2491	}	3457	}
2492	Coro::cede;	3458
		3459	cf::cede_to_tick;
2493	}	3460	}
2494	}	3461	}
2495		3462
2496	{	3463	{
2497	my $anims = $facedata->{animinfo};	3464	my $anims = $facedata->{animinfo};
2498		3465
2499	while (my ($anim, $info) = each %$anims) {	3466	while (my ($anim, $info) = each %$anims) {
2500	cf::anim::set $anim, $info->{frames}, $info->{facings};	3467	cf::anim::set $anim, $info->{frames}, $info->{facings};
2501	Coro::cede;	3468	cf::cede_to_tick;
2502	}	3469	}
2503		3470
2504	cf::anim::invalidate_all; # d'oh	3471	cf::anim::invalidate_all; # d'oh
2505	}	3472	}
2506		3473
		3474	{
		3475	my $res = $facedata->{resource};
		3476
		3477	while (my ($name, $info) = each %$res) {
		3478	if (defined $info->{type}) {
		3479	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3480
		3481	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3482	cf::face::set_type $idx, $info->{type};
		3483	} else {
		3484	$RESOURCE{$name} = $info; # unused
		3485	}
		3486
		3487	cf::cede_to_tick;
		3488	}
		3489	}
		3490
		3491	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3492
2507	1	3493	1
2508	}	3494	}
2509		3495
		3496	register_exticmd fx_want => sub {
		3497	my ($ns, $want) = @_;
		3498
		3499	while (my ($k, $v) = each %$want) {
		3500	$ns->fx_want ($k, $v);
		3501	}
		3502	};
		3503
		3504	sub load_resource_file($) {
		3505	my $guard = lock_acquire "load_resource_file";
		3506
		3507	my $status = load_resource_file_ $_[0];
		3508	get_slot 0.1, 100;
		3509	cf::arch::commit_load;
		3510
		3511	$status
		3512	}
		3513
2510	sub reload_regions {	3514	sub reload_regions {
		3515	# HACK to clear player env face cache, we need some signal framework
		3516	# for this (global event?)
		3517	%ext::player_env::MUSIC_FACE_CACHE = ();
		3518
2511	load_resource_file "$MAPDIR/regions"	3519	load_resource_file "$MAPDIR/regions"
2512	or die "unable to load regions file\n";	3520	or die "unable to load regions file\n";
		3521
		3522	for (cf::region::list) {
		3523	$_->{match} = qr/$_->{match}/
		3524	if exists $_->{match};
		3525	}
2513	}	3526	}
2514		3527
2515	sub reload_facedata {	3528	sub reload_facedata {
2516	load_facedata "$DATADIR/facedata"	3529	load_facedata "$DATADIR/facedata"
2517	or die "unable to load facedata\n";	3530	or die "unable to load facedata\n";
…		…
2525	sub reload_treasures {	3538	sub reload_treasures {
2526	load_resource_file "$DATADIR/treasures"	3539	load_resource_file "$DATADIR/treasures"
2527	or die "unable to load treasurelists\n";	3540	or die "unable to load treasurelists\n";
2528	}	3541	}
2529		3542
		3543	sub reload_sound {
		3544	trace "loading sound config from $DATADIR/sound\n";
		3545
		3546	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3547	or die "$DATADIR/sound $!";
		3548
		3549	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3550
		3551	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3552	my $sound = $soundconf->{compat}[$_]
		3553	or next;
		3554
		3555	my $face = cf::face::find "sound/$sound->[1]";
		3556	cf::sound::set $sound->[0] => $face;
		3557	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3558	}
		3559
		3560	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3561	my $face = cf::face::find "sound/$v";
		3562	cf::sound::set $k => $face;
		3563	}
		3564	}
		3565
2530	sub reload_resources {	3566	sub reload_resources {
2531	warn "reloading resource files...\n";	3567	trace "reloading resource files...\n";
2532		3568
		3569	reload_exp_table;
		3570	reload_materials;
		3571	reload_facedata;
		3572	reload_sound;
		3573	reload_archetypes;
2533	reload_regions;	3574	reload_regions;
2534	reload_facedata;
2535	reload_archetypes;
2536	reload_treasures;	3575	reload_treasures;
2537		3576
2538	warn "finished reloading resource files\n";	3577	trace "finished reloading resource files\n";
2539	}	3578	}
2540		3579
2541	sub init {	3580	sub reload_config {
2542	reload_resources;	3581	trace "reloading config file...\n";
2543	}
2544		3582
2545	sub cfg_load {	3583	0 < aio_load "$CONFDIR/config", my $config
2546	open my $fh, "<:utf8", "$CONFDIR/config"	3584	or die "$CONFDIR/config: $!";
2547	or return;
2548		3585
2549	local $/;	3586	utf8::decode $config;
2550	*CFG = YAML::Syck::Load <$fh>;	3587	*CFG = yaml_load $config;
2551		3588
2552	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3589	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2553		3590
2554	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3591	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2555	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3592	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2556		3593
2557	if (exists $CFG{mlockall}) {	3594	if (exists $CFG{mlockall}) {
…		…
2561	};	3598	};
2562	warn $@ if $@;	3599	warn $@ if $@;
2563	}	3600	}
2564	}	3601	}
2565		3602
		3603	sub pidfile() {
		3604	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3605	or die "$PIDFILE: $!";
		3606	flock $fh, &Fcntl::LOCK_EX
		3607	or die "$PIDFILE: flock: $!";
		3608	$fh
		3609	}
		3610
		3611	# make sure only one server instance is running at any one time
		3612	sub atomic {
		3613	my $fh = pidfile;
		3614
		3615	my $pid = <$fh>;
		3616	kill 9, $pid if $pid > 0;
		3617
		3618	seek $fh, 0, 0;
		3619	print $fh $$;
		3620	}
		3621
		3622	sub main_loop {
		3623	trace "EV::loop starting\n";
		3624	if (1) {
		3625	EV::loop;
		3626	}
		3627	trace "EV::loop returned\n";
		3628	goto &main_loop unless $REALLY_UNLOOP;
		3629	}
		3630
2566	sub main {	3631	sub main {
		3632	cf::init_globals; # initialise logging
		3633
		3634	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3635	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3636	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3637	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3638
		3639	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3640
2567	# we must not ever block the main coroutine	3641	# we must not ever block the main coroutine
2568	local $Coro::idle = sub {	3642	local $Coro::idle = sub {
2569	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3643	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2570	(async {	3644	(async {
2571	Event::one_event;	3645	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3646	EV::loop EV::LOOP_ONESHOT;
2572	})->prio (Coro::PRIO_MAX);	3647	})->prio (Coro::PRIO_MAX);
2573	};	3648	};
2574		3649
2575	cfg_load;	3650	evthread_start IO::AIO::poll_fileno;
		3651
		3652	cf::sync_job {
		3653	cf::incloader::init ();
		3654
		3655	cf::init_anim;
		3656	cf::init_attackmess;
		3657	cf::init_dynamic;
		3658
		3659	cf::load_settings;
		3660
		3661	reload_resources;
		3662	reload_config;
2576	db_init;	3663	db_init;
		3664
		3665	cf::init_uuid;
		3666	cf::init_signals;
		3667	cf::init_skills;
		3668
		3669	cf::init_beforeplay;
		3670
		3671	atomic;
		3672
2577	load_extensions;	3673	load_extensions;
2578		3674
2579	$TICK_WATCHER->start;	3675	utime time, time, $RUNTIMEFILE;
2580	Event::loop;	3676
		3677	# no (long-running) fork's whatsoever before this point(!)
		3678	use POSIX ();
		3679	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3680
		3681	cf::_post_init 0;
		3682	};
		3683
		3684	cf::object::thawer::errors_are_fatal 0;
		3685	info "parse errors in files are no longer fatal from this point on.\n";
		3686
		3687	my $free_main; $free_main = EV::idle sub {
		3688	undef $free_main;
		3689	undef &main; # free gobs of memory :)
		3690	};
		3691
		3692	goto &main_loop;
2581	}	3693	}
2582		3694
2583	#############################################################################	3695	#############################################################################
2584	# initialisation and cleanup	3696	# initialisation and cleanup
2585		3697
2586	# install some emergency cleanup handlers	3698	# install some emergency cleanup handlers
2587	BEGIN {	3699	BEGIN {
		3700	our %SIGWATCHER = ();
2588	for my $signal (qw(INT HUP TERM)) {	3701	for my $signal (qw(INT HUP TERM)) {
2589	Event->signal (	3702	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2590	reentrant => 0,
2591	data => WF_AUTOCANCEL,
2592	signal => $signal,
2593	prio => 0,
2594	cb => sub {
2595	cf::cleanup "SIG$signal";	3703	cf::cleanup "SIG$signal";
2596	},
2597	);	3704	};
		3705	}
		3706	}
		3707
		3708	sub write_runtime_sync {
		3709	my $t0 = AE::time;
		3710
		3711	# first touch the runtime file to show we are still running:
		3712	# the fsync below can take a very very long time.
		3713
		3714	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3715
		3716	my $guard = cf::lock_acquire "write_runtime";
		3717
		3718	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3719	or return;
		3720
		3721	my $value = $cf::RUNTIME + 90 + 10;
		3722	# 10 is the runtime save interval, for a monotonic clock
		3723	# 60 allows for the watchdog to kill the server.
		3724
		3725	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3726	and return;
		3727
		3728	# always fsync - this file is important
		3729	aio_fsync $fh
		3730	and return;
		3731
		3732	# touch it again to show we are up-to-date
		3733	aio_utime $fh, undef, undef;
		3734
		3735	close $fh
		3736	or return;
		3737
		3738	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3739	and return;
		3740
		3741	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3742
2598	}	3743	1
		3744	}
		3745
		3746	our $uuid_lock;
		3747	our $uuid_skip;
		3748
		3749	sub write_uuid_sync($) {
		3750	$uuid_skip ||= $_[0];
		3751
		3752	return if $uuid_lock;
		3753	local $uuid_lock = 1;
		3754
		3755	my $uuid = "$LOCALDIR/uuid";
		3756
		3757	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3758	or return;
		3759
		3760	my $value = uuid_seq uuid_cur;
		3761
		3762	unless ($value) {
		3763	info "cowardly refusing to write zero uuid value!\n";
		3764	return;
		3765	}
		3766
		3767	my $value = uuid_str $value + $uuid_skip;
		3768	$uuid_skip = 0;
		3769
		3770	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3771	and return;
		3772
		3773	# always fsync - this file is important
		3774	aio_fsync $fh
		3775	and return;
		3776
		3777	close $fh
		3778	or return;
		3779
		3780	aio_rename "$uuid~", $uuid
		3781	and return;
		3782
		3783	trace "uuid file written ($value).\n";
		3784
		3785	1
		3786
		3787	}
		3788
		3789	sub write_uuid($$) {
		3790	my ($skip, $sync) = @_;
		3791
		3792	$sync ? write_uuid_sync $skip
		3793	: async { write_uuid_sync $skip };
2599	}	3794	}
2600		3795
2601	sub emergency_save() {	3796	sub emergency_save() {
2602	my $freeze_guard = cf::freeze_mainloop;	3797	my $freeze_guard = cf::freeze_mainloop;
2603		3798
2604	warn "enter emergency perl save\n";	3799	info "emergency_perl_save: enter\n";
		3800
		3801	# this is a trade-off: we want to be very quick here, so
		3802	# save all maps without fsync, and later call a global sync
		3803	# (which in turn might be very very slow)
		3804	local $USE_FSYNC = 0;
2605		3805
2606	cf::sync_job {	3806	cf::sync_job {
		3807	cf::write_runtime_sync; # external watchdog should not bark
		3808
2607	# use a peculiar iteration method to avoid tripping on perl	3809	# use a peculiar iteration method to avoid tripping on perl
2608	# refcount bugs in for. also avoids problems with players	3810	# refcount bugs in for. also avoids problems with players
2609	# and maps saved/destroyed asynchronously.	3811	# and maps saved/destroyed asynchronously.
2610	warn "begin emergency player save\n";	3812	info "emergency_perl_save: begin player save\n";
2611	for my $login (keys %cf::PLAYER) {	3813	for my $login (keys %cf::PLAYER) {
2612	my $pl = $cf::PLAYER{$login} or next;	3814	my $pl = $cf::PLAYER{$login} or next;
2613	$pl->valid or next;	3815	$pl->valid or next;
		3816	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2614	$pl->save;	3817	$pl->save;
2615	}	3818	}
2616	warn "end emergency player save\n";	3819	info "emergency_perl_save: end player save\n";
2617		3820
2618	warn "begin emergency map save\n";	3821	cf::write_runtime_sync; # external watchdog should not bark
		3822
		3823	info "emergency_perl_save: begin map save\n";
2619	for my $path (keys %cf::MAP) {	3824	for my $path (keys %cf::MAP) {
2620	my $map = $cf::MAP{$path} or next;	3825	my $map = $cf::MAP{$path} or next;
2621	$map->valid or next;	3826	$map->valid or next;
2622	$map->save;	3827	$map->save;
2623	}	3828	}
2624	warn "end emergency map save\n";	3829	info "emergency_perl_save: end map save\n";
2625		3830
2626	warn "begin emergency database checkpoint\n";	3831	cf::write_runtime_sync; # external watchdog should not bark
		3832
		3833	info "emergency_perl_save: begin database checkpoint\n";
2627	BDB::db_env_txn_checkpoint $DB_ENV;	3834	BDB::db_env_txn_checkpoint $DB_ENV;
2628	warn "end emergency database checkpoint\n";	3835	info "emergency_perl_save: end database checkpoint\n";
		3836
		3837	info "emergency_perl_save: begin write uuid\n";
		3838	write_uuid_sync 1;
		3839	info "emergency_perl_save: end write uuid\n";
		3840
		3841	cf::write_runtime_sync; # external watchdog should not bark
		3842
		3843	trace "emergency_perl_save: syncing database to disk";
		3844	BDB::db_env_txn_checkpoint $DB_ENV;
		3845
		3846	info "emergency_perl_save: starting sync\n";
		3847	IO::AIO::aio_sync sub {
		3848	info "emergency_perl_save: finished sync\n";
		3849	};
		3850
		3851	cf::write_runtime_sync; # external watchdog should not bark
		3852
		3853	trace "emergency_perl_save: flushing outstanding aio requests";
		3854	while (IO::AIO::nreqs || BDB::nreqs) {
		3855	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3856	}
		3857
		3858	cf::write_runtime_sync; # external watchdog should not bark
2629	};	3859	};
2630		3860
2631	warn "leave emergency perl save\n";	3861	info "emergency_perl_save: leave\n";
2632	}	3862	}
2633		3863
2634	sub post_cleanup {	3864	sub post_cleanup {
2635	my ($make_core) = @_;	3865	my ($make_core) = @_;
2636		3866
		3867	IO::AIO::flush;
		3868
2637	warn Carp::longmess "post_cleanup backtrace"	3869	error Carp::longmess "post_cleanup backtrace"
2638	if $make_core;	3870	if $make_core;
		3871
		3872	my $fh = pidfile;
		3873	unlink $PIDFILE if <$fh> == $$;
		3874	}
		3875
		3876	# a safer delete_package, copied from Symbol
		3877	sub clear_package($) {
		3878	my $pkg = shift;
		3879
		3880	# expand to full symbol table name if needed
		3881	unless ($pkg =~ /^main::.*::$/) {
		3882	$pkg = "main$pkg" if $pkg =~ /^::/;
		3883	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3884	$pkg .= '::' unless $pkg =~ /::$/;
		3885	}
		3886
		3887	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3888	my $stem_symtab = *{$stem}{HASH};
		3889
		3890	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3891	or return;
		3892
		3893	# clear all symbols
		3894	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3895	for my $name (keys %$leaf_symtab) {
		3896	_gv_clear *{"$pkg$name"};
		3897	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3898	}
2639	}	3899	}
2640		3900
2641	sub do_reload_perl() {	3901	sub do_reload_perl() {
2642	# can/must only be called in main	3902	# can/must only be called in main
2643	if ($Coro::current != $Coro::main) {	3903	unless (in_main) {
2644	warn "can only reload from main coroutine";	3904	error "can only reload from main coroutine";
2645	return;	3905	return;
2646	}	3906	}
2647		3907
2648	warn "reloading...";	3908	return if $RELOAD++;
2649		3909
2650	warn "entering sync_job";	3910	my $t1 = AE::time;
2651		3911
		3912	while ($RELOAD) {
		3913	cf::get_slot 0.1, -1, "reload_perl";
		3914	info "perl_reload: reloading...";
		3915
		3916	trace "perl_reload: entering sync_job";
		3917
2652	cf::sync_job {	3918	cf::sync_job {
2653	cf::write_runtime; # external watchdog should not bark
2654	cf::emergency_save;	3919	#cf::emergency_save;
2655	cf::write_runtime; # external watchdog should not bark
2656		3920
2657	warn "syncing database to disk";
2658	BDB::db_env_txn_checkpoint $DB_ENV;
2659
2660	# if anything goes wrong in here, we should simply crash as we already saved
2661
2662	warn "cancelling all WF_AUTOCANCEL watchers";
2663	for (Event::all_watchers) {
2664	$_->cancel if $_->data & WF_AUTOCANCEL;
2665	}
2666
2667	warn "flushing outstanding aio requests";
2668	for (;;) {
2669	BDB::flush;
2670	IO::AIO::flush;
2671	Coro::cede;
2672	last unless IO::AIO::nreqs || BDB::nreqs;
2673	warn "iterate...";
2674	}
2675
2676	++$RELOAD;
2677
2678	warn "cancelling all extension coros";	3921	trace "perl_reload: cancelling all extension coros";
2679	$_->cancel for values %EXT_CORO;	3922	$_->cancel for values %EXT_CORO;
2680	%EXT_CORO = ();	3923	%EXT_CORO = ();
2681		3924
2682	warn "removing commands";	3925	trace "perl_reload: removing commands";
2683	%COMMAND = ();	3926	%COMMAND = ();
2684		3927
2685	warn "removing ext commands";	3928	trace "perl_reload: removing ext/exti commands";
2686	%EXTCMD = ();	3929	%EXTCMD = ();
		3930	%EXTICMD = ();
2687		3931
2688	warn "unloading/nuking all extensions";	3932	trace "perl_reload: unloading/nuking all extensions";
2689	for my $pkg (@EXTS) {	3933	for my $pkg (@EXTS) {
2690	warn "... unloading $pkg";	3934	trace "... unloading $pkg";
2691		3935
2692	if (my $cb = $pkg->can ("unload")) {	3936	if (my $cb = $pkg->can ("unload")) {
2693	eval {	3937	eval {
2694	$cb->($pkg);	3938	$cb->($pkg);
2695	1	3939	1
2696	} or warn "$pkg unloaded, but with errors: $@";	3940	} or error "$pkg unloaded, but with errors: $@";
		3941	}
		3942
		3943	trace "... clearing $pkg";
		3944	clear_package $pkg;
2697	}	3945	}
2698		3946
2699	warn "... nuking $pkg";
2700	Symbol::delete_package $pkg;
2701	}
2702
2703	warn "unloading all perl modules loaded from $LIBDIR";	3947	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2704	while (my ($k, $v) = each %INC) {	3948	while (my ($k, $v) = each %INC) {
2705	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3949	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2706		3950
2707	warn "... unloading $k";	3951	trace "... unloading $k";
2708	delete $INC{$k};	3952	delete $INC{$k};
2709		3953
2710	$k =~ s/\.pm$//;	3954	$k =~ s/\.pm$//;
2711	$k =~ s/\//::/g;	3955	$k =~ s/\//::/g;
2712		3956
2713	if (my $cb = $k->can ("unload_module")) {	3957	if (my $cb = $k->can ("unload_module")) {
2714	$cb->();	3958	$cb->();
		3959	}
		3960
		3961	clear_package $k;
2715	}	3962	}
2716		3963
2717	Symbol::delete_package $k;
2718	}
2719
2720	warn "getting rid of safe::, as good as possible";	3964	trace "perl_reload: getting rid of safe::, as good as possible";
2721	Symbol::delete_package "safe::$_"	3965	clear_package "safe::$_"
2722	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3966	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2723		3967
2724	warn "unloading cf.pm \"a bit\"";	3968	trace "perl_reload: unloading cf.pm \"a bit\"";
2725	delete $INC{"cf.pm"};	3969	delete $INC{"cf.pm"};
2726	delete $INC{"cf/pod.pm"};	3970	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2727		3971
2728	# don't, removes xs symbols, too,	3972	# don't, removes xs symbols, too,
2729	# and global variables created in xs	3973	# and global variables created in xs
2730	#Symbol::delete_package __PACKAGE__;	3974	#clear_package __PACKAGE__;
2731		3975
2732	warn "unload completed, starting to reload now";	3976	info "perl_reload: unload completed, starting to reload now";
2733		3977
2734	warn "reloading cf.pm";	3978	trace "perl_reload: reloading cf.pm";
2735	require cf;	3979	require cf;
2736	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3980	cf::_connect_to_perl_1;
2737		3981
2738	warn "loading config and database again";	3982	trace "perl_reload: loading config and database again";
2739	cf::cfg_load;	3983	cf::reload_config;
2740		3984
2741	warn "loading extensions";	3985	trace "perl_reload: loading extensions";
2742	cf::load_extensions;	3986	cf::load_extensions;
2743		3987
		3988	if ($REATTACH_ON_RELOAD) {
2744	warn "reattaching attachments to objects/players";	3989	trace "perl_reload: reattaching attachments to objects/players";
2745	_global_reattach; # objects, sockets	3990	_global_reattach; # objects, sockets
2746	warn "reattaching attachments to maps";	3991	trace "perl_reload: reattaching attachments to maps";
2747	reattach $_ for values %MAP;	3992	reattach $_ for values %MAP;
2748	warn "reattaching attachments to players";	3993	trace "perl_reload: reattaching attachments to players";
2749	reattach $_ for values %PLAYER;	3994	reattach $_ for values %PLAYER;
		3995	}
2750		3996
2751	warn "leaving sync_job";	3997	cf::_post_init 1;
2752		3998
		3999	trace "perl_reload: leaving sync_job";
		4000
2753	1	4001	1
2754	} or do {	4002	} or do {
2755	warn $@;	4003	error $@;
2756	warn "error while reloading, exiting.";	4004	cf::cleanup "perl_reload: error, exiting.";
2757	exit 1;	4005	};
		4006
		4007	--$RELOAD;
2758	};	4008	}
2759		4009
2760	warn "reloaded";	4010	$t1 = AE::time - $t1;
		4011	info "perl_reload: completed in ${t1}s\n";
2761	};	4012	};
2762		4013
2763	our $RELOAD_WATCHER; # used only during reload	4014	our $RELOAD_WATCHER; # used only during reload
2764		4015
2765	sub reload_perl() {	4016	sub reload_perl() {
2766	# doing reload synchronously and two reloads happen back-to-back,	4017	# doing reload synchronously and two reloads happen back-to-back,
2767	# coro crashes during coro_state_free->destroy here.	4018	# coro crashes during coro_state_free->destroy here.
2768		4019
2769	$RELOAD_WATCHER ||= Event->timer (	4020	$RELOAD_WATCHER ||= cf::async {
2770	reentrant => 0,	4021	Coro::AIO::aio_wait cache_extensions;
2771	after => 0,	4022
2772	data => WF_AUTOCANCEL,	4023	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2773	cb => sub {
2774	do_reload_perl;	4024	do_reload_perl;
2775	undef $RELOAD_WATCHER;	4025	undef $RELOAD_WATCHER;
2776	},	4026	};
2777	);	4027	};
2778	}	4028	}
2779		4029
2780	register_command "reload" => sub {	4030	register_command "reload" => sub {
2781	my ($who, $arg) = @_;	4031	my ($who, $arg) = @_;
2782		4032
2783	if ($who->flag (FLAG_WIZ)) {	4033	if ($who->flag (FLAG_WIZ)) {
2784	$who->message ("reloading server.");	4034	$who->message ("reloading server.");
		4035	async {
		4036	$Coro::current->{desc} = "perl_reload";
2785	async { reload_perl };	4037	reload_perl;
		4038	};
2786	}	4039	}
2787	};	4040	};
2788		4041
2789	unshift @INC, $LIBDIR;	4042	#############################################################################
2790		4043
2791	my $bug_warning = 0;	4044	my $bug_warning = 0;
2792		4045
2793	our @WAIT_FOR_TICK;	4046	our @WAIT_FOR_TICK;
2794	our @WAIT_FOR_TICK_BEGIN;	4047	our @WAIT_FOR_TICK_BEGIN;
2795		4048
2796	sub wait_for_tick {	4049	sub wait_for_tick() {
2797	return unless $TICK_WATCHER->is_active;
2798	return if $Coro::current == $Coro::main;	4050	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2799		4051
2800	my $signal = new Coro::Signal;	4052	my $signal = new Coro::Signal;
2801	push @WAIT_FOR_TICK, $signal;	4053	push @WAIT_FOR_TICK, $signal;
2802	$signal->wait;	4054	$signal->wait;
2803	}	4055	}
2804		4056
2805	sub wait_for_tick_begin {	4057	sub wait_for_tick_begin() {
2806	return unless $TICK_WATCHER->is_active;
2807	return if $Coro::current == $Coro::main;	4058	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2808		4059
2809	my $signal = new Coro::Signal;	4060	my $signal = new Coro::Signal;
2810	push @WAIT_FOR_TICK_BEGIN, $signal;	4061	push @WAIT_FOR_TICK_BEGIN, $signal;
2811	$signal->wait;	4062	$signal->wait;
2812	}	4063	}
2813		4064
2814	$TICK_WATCHER = Event->timer (	4065	sub tick {
2815	reentrant => 0,
2816	parked => 1,
2817	prio => 0,
2818	at => $NEXT_TICK || $TICK,
2819	data => WF_AUTOCANCEL,
2820	cb => sub {
2821	if ($Coro::current != $Coro::main) {	4066	if ($Coro::current != $Coro::main) {
2822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4067	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2823	unless ++$bug_warning > 10;	4068	unless ++$bug_warning > 10;
2824	return;	4069	return;
2825	}	4070	}
2826		4071
2827	$NOW = Event::time;
2828
2829	cf::server_tick; # one server iteration	4072	cf::server_tick; # one server iteration
2830		4073
2831	$RUNTIME += $TICK;	4074	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2832	$NEXT_TICK += $TICK;
2833		4075
2834	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4076	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2835	$NEXT_RUNTIME_WRITE = $NOW + 10;	4077	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2836	Coro::async_pool {	4078	Coro::async_pool {
		4079	$Coro::current->{desc} = "runtime saver";
2837	write_runtime	4080	write_runtime_sync
2838	or warn "ERROR: unable to write runtime file: $!";	4081	or error "ERROR: unable to write runtime file: $!";
2839	};
2840	}	4082	};
		4083	}
2841		4084
2842	# my $AFTER = Event::time;
2843	# warn $AFTER - $NOW;#d#
2844
2845	# if we are delayed by four ticks or more, skip them all
2846	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2847
2848	$TICK_WATCHER->at ($NEXT_TICK);
2849	$TICK_WATCHER->start;
2850
2851	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4085	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2852	$sig->send;	4086	$sig->send;
2853	}	4087	}
2854	while (my $sig = shift @WAIT_FOR_TICK) {	4088	while (my $sig = shift @WAIT_FOR_TICK) {
2855	$sig->send;	4089	$sig->send;
2856	}
2857
2858	_post_tick;
2859	},	4090	}
2860	);	4091
		4092	$LOAD = ($NOW - $TICK_START) / $TICK;
		4093	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4094
		4095	if (0) {
		4096	if ($NEXT_TICK) {
		4097	my $jitter = $TICK_START - $NEXT_TICK;
		4098	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4099	debug "jitter $JITTER\n";#d#
		4100	}
		4101	}
		4102	}
2861		4103
2862	{	4104	{
2863	BDB::max_poll_time $TICK * 0.1;	4105	# configure BDB
2864	$BDB_POLL_WATCHER = Event->io (	4106
2865	reentrant => 0,
2866	fd => BDB::poll_fileno,
2867	poll => 'r',
2868	prio => 0,
2869	data => WF_AUTOCANCEL,
2870	cb => \&BDB::poll_cb,
2871	);
2872	BDB::min_parallel 8;	4107	BDB::min_parallel 16;
2873		4108	BDB::max_poll_reqs $TICK * 0.1;
2874	BDB::set_sync_prepare {	4109	$AnyEvent::BDB::WATCHER->priority (1);
2875	my $status;
2876	my $current = $Coro::current;
2877	(
2878	sub {
2879	$status = $!;
2880	$current->ready; undef $current;
2881	},
2882	sub {
2883	Coro::schedule while defined $current;
2884	$! = $status;
2885	},
2886	)
2887	};
2888		4110
2889	unless ($DB_ENV) {	4111	unless ($DB_ENV) {
2890	$DB_ENV = BDB::db_env_create;	4112	$DB_ENV = BDB::db_env_create;
		4113	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4114	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4115	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4116	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4117	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2891		4118
2892	cf::sync_job {	4119	cf::sync_job {
2893	eval {	4120	eval {
2894	BDB::db_env_open	4121	BDB::db_env_open
2895	$DB_ENV,	4122	$DB_ENV,
…		…
2897	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4124	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2898	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4125	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2899	0666;	4126	0666;
2900		4127
2901	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4128	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2902
2903	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2904	$DB_ENV->set_lk_detect;
2905	};	4129	};
2906		4130
2907	cf::cleanup "db_env_open(db): $@" if $@;	4131	cf::cleanup "db_env_open(db): $@" if $@;
2908	};	4132	};
2909	}	4133	}
		4134
		4135	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4136	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4137	};
		4138	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4139	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4140	};
		4141	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4142	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4143	};
2910	}	4144	}
2911		4145
2912	{	4146	{
		4147	# configure IO::AIO
		4148
2913	IO::AIO::min_parallel 8;	4149	IO::AIO::min_parallel 8;
2914
2915	undef $Coro::AIO::WATCHER;
2916	IO::AIO::max_poll_time $TICK * 0.1;	4150	IO::AIO::max_poll_time $TICK * 0.1;
2917	$AIO_POLL_WATCHER = Event->io (	4151	undef $AnyEvent::AIO::WATCHER;
2918	reentrant => 0,	4152	}
2919	data => WF_AUTOCANCEL,	4153
2920	fd => IO::AIO::poll_fileno,	4154	my $_log_backtrace;
2921	poll => 'r',	4155
2922	prio => 6,	4156	sub _log_backtrace {
2923	cb => \&IO::AIO::poll_cb,	4157	my ($msg, @addr) = @_;
2924	);	4158
		4159	$msg =~ s/\n//;
		4160
		4161	# limit the # of concurrent backtraces
		4162	if ($_log_backtrace < 2) {
		4163	++$_log_backtrace;
		4164	my $perl_bt = Carp::longmess $msg;
		4165	async {
		4166	$Coro::current->{desc} = "abt $msg";
		4167
		4168	my @bt = fork_call {
		4169	@addr = map { sprintf "%x", $_ } @addr;
		4170	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4171	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4172	or die "addr2line: $!";
		4173
		4174	my @funcs;
		4175	my @res = <$fh>;
		4176	chomp for @res;
		4177	while (@res) {
		4178	my ($func, $line) = splice @res, 0, 2, ();
		4179	push @funcs, "[$func] $line";
		4180	}
		4181
		4182	@funcs
		4183	};
		4184
		4185	LOG llevInfo, "[ABT] $perl_bt\n";
		4186	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4187	LOG llevInfo, "[ABT] $_\n" for @bt;
		4188	--$_log_backtrace;
		4189	};
		4190	} else {
		4191	LOG llevInfo, "[ABT] $msg\n";
		4192	LOG llevInfo, "[ABT] [suppressed]\n";
		4193	}
2925	}	4194	}
2926		4195
2927	# load additional modules	4196	# load additional modules
2928	use cf::pod;	4197	require "cf/$_.pm" for @EXTRA_MODULES;
		4198	cf::_connect_to_perl_2;
2929		4199
2930	END { cf::emergency_save }	4200	END { cf::emergency_save }
2931		4201
2932	1	4202	1
2933		4203

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